NSZB 3.7 D5 - Electric toothbrush NEVADENT - Free user manual and instructions
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USER MANUAL NSZB 3.7 D5 NEVADENT
For EU market: Imported for GB market by:
HOYER Handel GmbH Lidl Great Britain Ltd
Kühnehöfe 12
Lidl House · 14 Kingston Road
22761 Hamburg Surbiton · KT5 9NU
GERMANY
GB Operating instructions
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Diagram of a human upper dental arch with multiple teeth and central alignment lines (no text or labels)Inhalt
shop.hoyerhandel.com

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shop.hoyerhandel.com- Overview 19
- Intended purpose 20
- Safety information 20
- Items supplied 22
- Setting up the battery charger 23
- Charging the battery 23
- Toothbrush heads 23
- Operation 24
8.1 Modes.... 24
8.2 Brushing teeth.... 24
- Transport when travelling 25
9.1 Transport lock.... 25
9.2 Travel case.... 25
- Cleaning/Hygiene requirements 25
- Storage 25
- Disposal 26
- Trouble-shooting 26
- Ordering toothbrush heads 27
- Technical specifications 27
- Warranty of the HOYER Handel GmbH 29
1. Overview
1 Brush head
2 Indicator bristles
3 Toothbrush head (replaceable)
4 Marking ring
5 Peg of the toothbrush
6 LED:
is lit white after switching on
is lit red when pressure too high
flashes red when the transport lock is switched on
flashes 3x red when switching the transport lock on/off
7 Only/off switch + switching on and off transport lock
8 Function displays (illuminated):
Normal
Brighten
Deep cleaning
9 Charging indicator light
10 Toothbrush
11 Peg of the battery charger
12 Battery charger
13 Mains power cable and mains plug
14 Travel case
15 Pressure cap
16 Toothbrush head holder
Thank you for your trust!
Congratulations on the purchase of your new electric toothbrush.
For safe handling of the device and in order to get to know the entire range of features:
- Read these operating instructions thoroughly prior to initial use.
- Above all, observe the safety information!
- The device should only be used as described in these operating instructions.
- Keep this copy of the operating instructions for reference.
- If you pass the device on to someone else, please include this copy of the operating instructions. The operating instructions are a part of the product.
We hope you enjoy using your new electric toothbrush!
All brand and manufacturer names are the property of their respective owners. They are specified solely in order to simplify the explanation of the points illustrated.
2. Intended purpose
The electric toothbrush is intended solely for tooth cleaning and oral hygiene in humans. The device is designed for private, domestic use. This device must not be used for commercial purposes.
3. Safety information
Warnings
If necessary, the following warnings are used in these operating instructions:

DANGER! High risk: failure to observe this warning may result in injury to life and limb.
WARNING! Moderate risk: failure to observe this warning may result in injury or serious material damage.
CAUTION: low risk: ignoring this warning may result in minor injuries or damage to property.
NOTE: circumstances and specifics that must be observed when handling the device.
Instructions for safe operation
- This device can be used by children and people with restricted physical, sensory or intellectual abilities or people without adequate experience and/or understanding, if they are supervised or instructed on how to use this device and if they are aware of the resulting hazards. Cleaning and user maintenance must not be performed by children unless they are supervised.
- Children must not play with the device.

- The battery charger is connected to the mains voltage, and must therefore not be used in the shower, in the bath, or over washbasins filled with water.
- The mains power cable of this device cannot be replaced. If the cable should become damaged, the device itself must be disposed of.
- The battery must be charged only with the original accessory (battery charger) supplied.
- This device contains a battery that cannot be replaced.

DANGER for children!
- Packing materials are not children's toys. Children should not be allowed to play with the plastic bags. There is a risk of suffocation.

DANGER to and from pets and livestock!
Electrical devices can represent a danger to pets and livestock. In addition, animals can also cause damage to the device. For this reason you should keep animals away from electrical devices at all times.

DANGER! Risk of electric shock due to moisture!
- The toothbrush, the battery charger, the mains power cable and the mains plug must not be immersed in water or any other liquids.
- Protect the device from moisture, water drops and water splashes: Failure to observe this instruction may result in an electric shock hazard.
- Never touch the device with wet hands.
- Make sure that the surface under the device is dry.
- If the battery charger has fallen into water, pull out the mains plug immediately, and only then remove the battery charger from the water. In this case do not use the battery charger again, but have it checked by a specialist workshop.

DANGER! Risk of electric shock!
- The installation of a residual current device with a nominal trip current not exceeding 30 mA in the building wiring offers additional protection. Contact a skilled electrician in this regard.
- Do not start using the device if the device, the battery charger or the mains power cable shows visible damage, or if the device has previously been dropped.
- Only connect the mains plug to a properly installed and easily accessible wall socket whose voltage corresponds to the specifications on the rating plate. The wall socket must still be easily accessible after the device is plugged in.
- The hand unit of the toothbrush must only be charged using the battery charger supplied.
- Ensure that the mains power cable cannot be caught or crushed, and that it cannot be damaged by sharp edges or hot points.
- To fully disconnect the battery charger from the power supply, pull out the mains plug.
- When removing the mains plug from the wall socket, always pull on the plug and never the cable.
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Pull the mains plug out of the wall socket:
-
when a malfunction occurs
- when you are not using the device
- before you clean the device
- during thunderstorms
- In order to avoid any hazards, do not make modifications to the device. Repairs must be carried out by a specialist workshop or the Service Centre.
- When using an extension cable, this must correspond to the applicable safety regulations.

DANGER from batteries!
- Protect the battery against mechanical damages. Fire hazard!
- Do not expose the device to direct sunshine or heat. Use the device only in the temperature range from +10 °C to
+40 °C. Only charge the battery within this temperature range.
- The battery must be charged only with the original accessory (battery charger) supplied.
- Should the electrolyte solution leak out of the battery, avoid contact with eyes, mucous membranes and skin. Rinse immediately with plenty of clean water and consult a doctor. The electrolyte solution can cause irritation.
-
The device is provided with a lithium ion battery.
-
The battery cannot be removed!
- This device must not be opened!
- The device with the installed battery must be disposed of properly.
CAUTION!
- Users could possibly experience mild bleeding of the gums during the first days of electric toothbrush usage.
Should the bleeding continue over several days, a dentist should be consulted. - Exert only light pressure when brushing to prevent damage to the gums and to increase the service life of the bristles.
4. Items supplied
1 toothbrush 10
3 toothbrush heads 3
1 battery charger 12
1 travel case 14
1 toothbrush head holder 16
1 copy of the short manual (included)
1 copy of the operating instructions (online)
- Remove all packing material.
- Check that the device is undamaged.
5. Setting up the battery charger

DANGER! Risk of electric shock due to moisture!
- The battery charger 12 is connected to the mains voltage, and must therefore not be used in the shower, in the bath, or over washbasins filled with water.
- Never set up the battery charger 12 anywhere it could fall into water.
6. Charging the battery
NOTES:
- Fully charge the battery before using it for the first time.
- It takes approx. 10 hours to fully charge the battery.
-
Place the toothbrush 10 on the peg of the battery charger 11 after use. This ensures that the toothbrush 10 always works at full power. The battery is not damaged by regular charging.
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Plug the mains plug 13 of the battery charger 12 into a suitable wall socket. The wall socket must still be easily accessible after connection.
- Place the switched-off toothbrush 10 onto the peg of the battery charger 11. Lit segments of the charging indicator light 9 show the progress of the charging process. When the battery is fully charged, all segments of the charging indicator light 9 are lit briefly, and then they go out.
Battery signals: charging indicator light 9
Toothbrush 10 on the battery charger 12:
- All segments of the charging indicator light 9 are lit and then go out: the battery is fully charged.
- Lit segments of the charging indicator light 9 show the progress of the charging process.
Toothbrush 10 switched on:
- The last segment of the charging indicator light 9 flashes: the battery is weak. Charge the battery.
7. Toothbrush heads
The items supplied include 3 toothbrush heads 3.
The various marking rings 4 allow you to assign the toothbrush heads 3 to different family members.
• Take a toothbrush head 3 and slide it onto the peg of the toothbrush 5.
- In order to remove, carefully pull the toothbrush head 3 off upwards.
- The indicator bristles 2 on the brush head 1 slowly lose their colour during use. The decolouration shows when the toothbrush heads 3 should be replaced.
NOTE: we recommend that you replace the toothbrush heads 3 every 3 months or after infections (see "Ordering toothbrush heads" on page 27).
8. Operation
CAUTION:
- Users could possibly experience mild bleeding of the gums during the first days of electric toothbrush usage. Should the bleeding continue over several days, a dentist should be consulted.
- If you have had dental surgery in the last two months, consult a dentist before using the toothbrush.
- Exert only light pressure when brushing to prevent damage to the gums and to increase the service life of the bristles.
8.1 Modes
The toothbrush 10 has 3 different modes. Depending on the desired mode, press the on/off switch ⏻ 7 repeatedly when switched on, until the corresponding symbol is lit:
Normal mode
- for a thorough cleaning of teeth and gums
Brighten mode
- for a thorough cleaning of teeth and gums and to brighten the teeth
Deep cleaning mode
- for an especially thorough cleaning of teeth and gums
8.2 Brushing teeth
- Remove the toothbrush 10 from the battery charger 12.
- Switch on the toothbrush using the on/off switch ⏻ 7.
- Press on/off switch ⏻7 repeatedly until the function display 8 for the desired mode is lit.
NOTE: switching over to another mode must be done quickly after the last button press of the on/off switch ⏻ 7 (within approx. 1 second). Pressing the on/off switch ⏻ 7 approx. 2 seconds after the last button press will switch the toothbrush off.
- Switch off the toothbrush using the on/off switch ⏻7.
- Moisten the bristles, apply some tooth-paste, and only switch on the tooth-brush 10 again when the brush head 1 is already in your mouth.
- Slowly guide the brush head 1 from tooth to tooth without exerting too much pressure. Carefully clean all tooth surfaces, the inner surfaces of the teeth and the tooth edges.
Figure A: the recommended brushing time is at least 2 minutes, divided up into 30-second periods for each area of the mouth (bottom right, bottom left, top right, top left). The toothbrush 10 indicates these intervals by two brief interruptions.
NOTE: if the brush head 1 is pressed against the teeth too hard, the LED 6 lights up red. You should then reduce the pressure.
- At the end of the 2-minute cycle, the toothbrush switches off automatically. Remove the brush head 1 from the mouth only when the toothbrush 10 has been switched off.
NOTES:
- We recommend that you replace the toothbrush heads 3 every 3 months or after infections (see "Ordering toothbrush heads" on page 27).
- The indicator bristles 2 on the brush head 1 slowly lose their colour during use. The decolouration shows when the toothbrush heads 3 should be replaced.
9. Transport when travelling
9.1 Transport lock
To secure the toothbrush 10 against accidentally being switched on, activate the transport lock.
- Switching on the transport lock: Hold down the on/off switch ⏻ 7 of the switched-off toothbrush until the LED 6 flashes red three times.
- If you try to switch on the tooth-brush 10 with the transport lock activated, the LED 6 will flash red.
- Switching off the transport lock: Hold down the on/off switch ⏻ 7 until the LED 6 flashes red three times.
9.2 Travel case
The travel case 14 has space for the toothbrush 10 and 2 toothbrush heads 3.
- Open the travel case 14 by pressing on the pressure cap 15.
- Close the travel case 14 by carefully pressing the lid down until it audibly clicks into place.
10. Cleaning/Hygiene requirements

DANGER! Risk of electric shock!
Before cleaning the battery charger 12, pull the mains plug 13 out from the mains socket.
Do not immerse the toothbrush 10 and battery charger 12 in water! The battery charger 12 must be completely dry before you reconnect it to the wall socket.
- To ensure the hygienic functionality of the toothbrush heads 3 they must be rinsed thoroughly after every use and allowed to dry.
- Remove the toothbrush head 3 once per week and clean it in hot water.
- Rinse the toothbrush 10 as well and wipe it dry.
- Wipe the battery charger 12, the travel case 14 and the toothbrush head holder 16 with a damp cloth if necessary and rub it dry.
11. Storage
- Disconnect the device from the power supply and store it in a dry location.
12. Disposal
Batteries must not be discarded with your household waste. Spent batteries must be disposed of properly. Special containers are available for this purpose in shops selling batteries and at municipal collection points.

Li ion
(Rechargeable) batteries marked with the following letters contain harmful substances such as: Cd (cadmium), Hg (mercury), Pb (lead).
This product is subject to the provisions of European Directive 2012/19/EC. The symbol showing a wheelie bin crossed through indicates that the product requires separate refuse collection in the European Union. This applies to the product and all accessories marked with this symbol. Products identified with this symbol may not be discarded with normal household waste, but must be taken to a collection point for recycling electric and electronic appliances.

This recycling symbol marks e.g. an object or parts of the material as valuable for recycling. Recycling helps to reduce the consumption of raw materials and protect the envi

Packaging
When disposing of the packaging, make sure you comply with the environmental regulations applicable in your country.
13. Trouble-shooting
If your device fails to function as required, please try this checklist first. Perhaps there is only a minor problem, and you can solve it yourself.

DANGER! Risk of electric shock!
- Do not attempt to repair the device yourself under any circumstances.
| Fault | Possible causes/action |
| The device cannot be switched on. | Is the battery empty?Is the transport lock activated? Press the on/off switch until the toothbrush 10 is switched on. |
| Charging indicator light 9 is not lit. | The battery charger 12 is not connected to the mains power supply. |
14. Ordering toothbrush heads
You can order additional toothbrush heads 3 on the internet:
shop.hoyerhandel.com

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shop.hoyerhandel.com- Scan the QR code with your Smartphone/Tablet.
- The QR code will take you to a website where you can place the reorder.
15. Technical specifications
| Model: NSZB 3.7 D5 | |
| Toothbrush | |
| Protection type: | IPX7(protected against the effects of temporary immersion) |
| Battery: 1x 3.7 | V Li ion ===800 mAh 2.96 Wh |
| Charging time: | approx. 10 hours |
| Operating time: | approx. 90 min |
| Battery charger | |
| Mains voltage: | 100 - 240 V ~ 50/60 Hz |
| Power rating: 1 | 4 WStandby: 0.5 W |
| Protection class: | II □ |
| Protection type: | IPX7(protected against the effects of temporary immersion) |
| General | |
| LEDs: RG 0 | |
| Ambient conditions: | 10 °C to 40 °Chumidity 40 to 85% relative |
NOTE: no action by the user is required to switch the product between 50 and 60 Hz. The product adjusts itself for both 50 and 60 Hz.
Information on batteries / rechargeable batteries according to EU 2023/1542
| Name / trademark of the manufacturer | SHENZHEN BOFUNENG BATTERY CO., LTD A Building, Chunyang Industrial Park, Zhugushi Road, Wulian Community, Longgang Street, Longgang District, Shenzhen, P.R.China |
| Battery type Li ion | 14500 Batch number: 2414 |
| Brand name BFN | |
| The declaration of conformity is issued under the sole responsibility of: | SHENZHEN BOFUNENG BATTERY CO., LTD |
| The mentioned battery was produced in accordance with EU Regulation EU 2023/1542. | |
Symbols used
![]() | Double insulation |
![]() | Geprüfte Sicherheit (certified safety): devices must comply with the generally acknowledged rules of technology and the German Product Safety Act (Produkt-sicherheitsgesetz - ProdSG). (Not for UK) |
![]() | With the CE marking, HOYER Handel GmbH declares the conformity with EU guidelines. |
![]() | This symbol reminds you to dispose of the packaging in an environmentally friendly manner. |
--- | Recyclable materials are marked with the recycling symbol (3 arrows). The material can be specified by the recycling number in the centre (here: 21) and/or an abbreviation (here: PAP). |
| --- | Direct current |
| ~ | AC voltage |
![]() | It is a recyclable product which is subject to an extended producer responsibility and for which the rules of waste separation apply. |
![]() | With the UKCA marking, HOYER Handel GmbH declares that the product is in conformity with the UKCA requirements. |
![]() | The symbol identifies the product manufacturer. |
Subject to technical modifications.
16. Warranty of the HOYER Handel GmbH
Dear Customer,
your device is provided with a 3 year warranty starting with the purchase date. In the event of product defects, you are entitled to statutory rights against the vendor. These statutory rights are not restricted by our warranty presented in the following.
Warranty conditions
The warranty period starts with the purchase date. Please keep the original purchase receipt in a safe place. This document is required to verify the purchase.
If within three years from the purchase date of this product a material or factory defect occurs, the product will be repaired or replaced by us – at our discretion – free of charge to you, or the purchase price will be refunded. This warranty implies that within the period of three years the defective device and the purchase receipt are presented, including a brief written description of the defect and the time it occurred.
If the defect is covered by our warranty, the repaired or a new product will be returned to you. No new warranty period starts with a repair or replacement of the product.
Warranty period and statutory claims for defects
The warranty period is not extended when the warranty has been claimed. This also applies to replaced and repaired parts. Any damages and defects already existing at the time of purchase must be reported immediately upon unpacking. Repairs arising after the expiration of the warranty period are subject to a charge.
Warranty coverage
The device was produced carefully according to strict quality guidelines and tested diligently prior to delivery. The warranty applies to material or factory defects.
Excluded from the warranty are wear parts subject to normal wear and damages to fragile parts, e.g. switches, lamps or other parts manufactured from glass.
This warranty expires if the product is damaged, not used as intended or not serviced. For the proper operation of the product, all instructions listed in the operating instructions must be observed carefully. Any form of use and handling that is advised against in the operating instructions or warned against must always be avoided.
The product is only intended for private and not for commercial use. In the case of incorrect and improper treatment, use of force and interventions not performed by our authorised Service Centre, the warranty shall cease.
Handling in case of a warranty claim
In order to ensure prompt processing of your matter, please observe the following notes:
- Please keep the article number IAN: 460354_2401 and the purchase receipt as a purchase verification for all inquiries.
- The article number can be found on the rating plate, an engraving, the title page of your instructions (in the bottom left), or as a label on the rear or underside of the device.
- If faulty operation or other defects occur, first contact the Service Centre listed in the following by telephone or email.
- Then, you are able to send a product reported as defective free of charge to the service address specified to you, including the purchase receipt and the information on the defect and when it occurred.
At www.lidl-service.com you can download this and many other manuals, product videos and installation software.

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PDF ONLINE www.lidl-service.comThis QR code takes you directly to the Lidl Service website (www.lidl-service.com), where you can enter the article number (IAN)
460354_2401 to open your user instructions.

Service Centre
GB Service Great Britain
Tel.: 0800 404 7657
E-Mail: hoyer@lidl.co.uk
IE Service Ireland
Tel.: 1800 101010
E-Mail: hoyer@lidl.ie
MT Service Malta
Tel.: 80062230
E-Mail: hoyer@lidl.com.mt
CY Service Cyprus
Tel.: 8009 4241
E-Mail: hoyer@lidl.com.cy
IAN: 460354_2401

Supplier
Please note that the following address is no service address. First contact the aforementioned Service Centre.
HOYER Handel GmbH
Kühnehöfe 12
22761 Hamburg
GERMANY
Sommaire
shop.hoyerhandel.com

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