NVR-830TBTU - Loudspeaker NEVIR - Free user manual and instructions

Product Type	Portable Bluetooth Speaker
Model	NVR-830TBTU
Brand	Nevir
Dimensions (approx.)	20 cm x 8 cm x 8 cm (7.9 in x 3.1 in x 3.1 in)
Weight	0.6 kg (1.32 lbs)
Power Supply	Built-in rechargeable lithium-ion battery, DC 5V via Micro USB
Battery Life	Up to 6 hours at medium volume
Bluetooth Version	5.0
Bluetooth Range	Up to 10 meters (33 feet)
Supported Audio Sources	Bluetooth, USB drive, microSD card, AUX input, FM Radio
Speaker Output	10W RMS (1 x 10W or 2 x 5W)
Frequency Response	80 Hz - 18 kHz
Hands-Free Function	Yes, built-in microphone for phone calls
Controls	Buttons: Power, Volume+/-, Play/Pause, Mode, Next/Previous track
Additional Features	TWS (True Wireless Stereo) pairing support
Materials	Plastic housing with fabric grille
Water Resistance	IPX6 (splash resistant) - estimate
Maintenance	Clean with a soft, dry cloth; avoid liquids into openings
Safety	Do not disassemble; keep away from heat sources and moisture
Spare Parts & Repairability	Battery replacement by qualified technician; contact Nevir support

Frequently Asked Questions - NVR-830TBTU NEVIR

How do I pair my phone with the speaker?

Turn on the speaker, it enters Bluetooth pairing mode automatically (LED flashes). On your phone, search for NVR-830TBTU and select it. Once connected, the LED stops flashing.

How long does the battery last?

The built-in battery provides up to 6 hours of playback at moderate volume. Higher volume reduces battery life.

Can I use the speaker while charging?

Yes, you can play music while the speaker is connected to a charger via the Micro USB port.

How do I switch to FM radio mode?

Press the Mode button until the display shows FM. The speaker acts as an antenna; for best reception, connect the included USB charging cable as an antenna extender.

Why is the sound distorted?

Check if the volume is set too high on both the speaker and your device. Also ensure the speaker is not placed near reflective surfaces. Reduce the bass if possible.

How to clean the speaker?

Use a soft, dry cloth to wipe the exterior. Do not use any liquids or abrasive cleaners. Avoid getting moisture into any openings.

Can I connect two speakers together?

Yes, if both speakers support TWS (True Wireless Stereo). Activate TWS on both speakers (usually by double-pressing the Mode button) and they will pair automatically.

What file formats are supported via USB?

Common audio formats like MP3, WMA, WAV, FLAC are supported. The USB port supports up to 32GB drives formatted in FAT32.

The speaker is not turning on. What to do?

Make sure the battery is charged. Connect the charger and wait a few minutes, then try pressing the Power button. If still not working, contact Nevir support.

Is the speaker water resistant?

This model is designed with splash resistance (approx. IPX6). It can withstand rain or splashes, but do not submerge in water.

USER MANUAL NVR-830TBTU NEVIR

Wireless Tower Speaker

5 VOL- 12.PLAY/PAUSE

6.VOL+ 13.RESET

7 SEARCH 14.SEEK-

15.SEEK+

STBY:

BLUETOOTH

SINCRONIZAR BLUETOOTH:

Blue vertical bar with black base, no visible text or symbols

Black vertical stand with a small red icon at the top (no text or symbols visible)

Red vertical rectangular object with black base, no visible text or symbols

SPEAKER TOWER BLUETOOTH
NVR-830TBTU

nevir®

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

CAUTION TO REDUCE THE RISK OF ELECTRIC SHOCK

DO NOT REMOVE COVER (OR BACK)

NO USER SERVICEABLE PARTS INSIDE

REFER SERVICING TO QUALIFIED SERVICE PERSONNEL

WARNING:

To prevent fire or shock hard, do not expose the unit to rain or moisture environment.

Note: This product is for indoor use only.

The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert the user to the presence of uninsulated “dangerous voltage” with the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock.

The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the product.

IMPORTANT SAFETY INSTRUCTIONS

1. Read these instructions before using the product.
2. Do not use this unit near water.
3. Clean only with dry cloth.
4. Do not block any ventilation openings. Install in accordance with the manufacturer's instructions.
5. Do not install the speaker system near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
6. Protect the power card from being waled on or pinched particularly at plug points and the point where they exit from the unit.
7. Only use attachments/accessories specified by the manufacturer.
8. Use only with the cart, stand, tripod, bracket or table specified by the manufacturer, or sold with the unit. When a cart is used, be cautious while moving the cart/unit combination to avoid injury from tip-over.

1. Unplug this unit during lightening storms or when unused for long periods of time.

2. Refer all servicing to qualified service personal. Servicing is required when the unit has been damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the unit, the unit has been exposed to rain or moisture environment, can not be operated normally, or has been dropped.

FEATURES

Wireless Tower Speaker

Built-In 2*3" high powered speaker (2x5W full range) system, total output power: 10W RMS

Works with most smartphones, tables, music devices

Wireless operating range: 10 meters

With FM Radio (not programmable)

USB and SD function to play MP3 music

With RCA (L/R) audio input jack

LED display

Full function remote control

Adapter power supply:

AC 110-240V, 50-60Hz; DC 7V/2A

PACKING LIST

Tower Speaker 1pc

Bottom Plate 1pc

Screw and Shim 2 sets

AC Adapter 1pc

Remote Control 1pc

2 in 1 Audio Cable 1pc

User Manual 1pc

INSTALLATION INSTRUCXTION

Put “B” onto the other side of “A”,

make sure the screw holes in same line.

To fix “B” onto “A” by using the screws & shims from the accessories.

Installation finished.

DESCRIPTION FOR THE FRONT PANEL

1. USB PORT

2.SD/MMC CARD READER

3.MODE

4.PREV/VOL-

1. POWER/PLAY/PAUSE

6.NEXT/VOL+

7.SCAN

MODE:

To switch functions between Bluetooth/USB/SD/FM/AUX.

PREV/VOL-

Short press to choose previous song;

Long press to subtract the volume.

POWER/PLAY/PAUSE

Long press to turn on or turn off the power of the tower speaker;

Short press to pause or play the songs.

NEXT/VOL+

Short press to choose next song;

Long press to add the volume.

SCAN

Under FM status, long press this key to search FM programs automatically;

DESCRIPTION FOR THE REAR PANEL

A. AUX AUDIO INPUT

B. FM Antenna

C. POWER INPUT

AC 110-240V,50-60Hz DC 7V/2A

DESCRIPTION OF THE REMOTE CONTROL

1.STBY 8.USB/SD

2.FM 9.MUTE

3.PREV 10.BLETOOTH

4 NEXT 11.AUX

1. VOL. 12. PLAY/PAUSE

6 VOI + 13. RESET

1. SEARCH 14.SEEK-

15.SEEK+

STBY:

Press this button, the speaker are in stand by mode; press again to return its power on state.

FM

Press this button, the system will turn to FM radio function.

SEARCH

Under FM status, long press this key to search FM programs automatically.

USB/SD

Insert USB device and SD card, press this button to switch them.

MUTE

Press this key to mute the system, press again to return to normal state.

BT

Press this key to enter into bluetooth function.

AUX

To switch to audio-in function.

RESET

Return to default factory setting.

SEEK-/+

Under FM Status, short press once to make frequency adjustment; Long press 3 seconds to realize manually search function.

BATTERY INSTALLATION

1. Take off the protective paper from the battery case before using the Remote.

2. Open the battery case when replace the battery. Insert 1pc 3V Lithium Cell (Cr2025).

3. Keep within 5 meter range, 30 degree angle while aiming at the unit.

BLUETOOTH

BLUETOOTH MATCH::

Power on the speaker, press MODE key or BT key on the remote to enter into bluetooth status, then search and connect the Bluetooth device NVR-830TBTU on your cell phone or laptop, the password is 0000 if necessary.

MUSIC PLAYING:

Under the mode of Bluetooth connecting, press VOL+/- to control the volume; press PREV/NEXT key to choose the songs, and press PLAY/PAUSE key into play or pause status.

SPECIFICATIONS

R.M.S.: 5W*2

Drive Units: 3W*2

Power Supply: AC 110-240V, 50-60Hz; DC 7V/2A

Frequency Response: 60Hz-18kHz

TROUBLE SHOOTING

Before contact with the repair person, you should check the problem reason follow the instructions:

Phenomenon	Reasons	Solution
No function light or No sound	Plug is not connected well.	Insert the plug into the electric outlet well.
Function light is ON, but No sound	Cable misconnected	Turn off the power, check the input jack, to ensure is connected to relevant input jack.
	Failed when connect to the Bluetooth device	To connect the Bluetooth device properly, and make sure it was connected successfully.
	Volume was set at 0 degree or at Mute status.	To add the volume at the proper degree or press the MUTE key again on the remote.
If the problem exists after checking related procedures above, please refer to the service agent's professional technician to fix it. Do not attempt to open the back cover, otherwise there is no responsibility for our company.