Flash HR 3 NU-G0054 - Smartwatch Nuband - Free user manual and instructions
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| Product Type | Smartwatch |
| Model | Flash HR 3 NU-G0054 |
| Brand | Nuband |
| Display | 1.3 inch IPS LCD, touchscreen |
| Dimensions (case) | 45 x 45 x 12 mm |
| Weight (with strap) | 50 g |
| Strap material | Silicone (replaceable) |
| Battery | 200 mAh rechargeable lithium-polymer |
| Battery life | Up to 7 days typical use |
| Charging | Magnetic charging cradle |
| Connectivity | Bluetooth 4.0 |
| Compatible OS | iOS 9.0+ and Android 5.0+ |
| Sensors | Heart rate monitor, accelerometer |
| Health features | Heart rate tracking, step counter, sleep monitoring, calorie tracker |
| Notifications | Call, SMS, app notifications |
| Water resistance | IP67 (splash and dust proof, up to 1m for 30 min) |
| Maintenance | Wipe with soft damp cloth; avoid chemicals |
| Safety | Do not wear while charging; remove if skin irritation occurs |
| Spare parts availability | Replacement straps available; battery not user-replaceable |
| Reparability | Limited to strap replacement; internal repairs by authorized service |
Frequently Asked Questions - Flash HR 3 NU-G0054 Nuband
How do I pair the Nuband Flash HR 3 with my phone?
Download the Nuband Fit app from the App Store or Google Play. Turn on Bluetooth on your phone. Open the app, create an account, and follow the on-screen instructions to pair your watch. Ensure the watch is charged and near the phone.
What should I do if the heart rate monitor is inaccurate?
Make sure the watch is worn snugly on your wrist, about one finger above the wrist bone. Clean the sensor and your skin. Avoid moving your arm excessively during measurement. For best results, stay still.
How can I change the watch face?
Open the Nuband Fit app on your phone. Go to the 'Watch Face' section. Select from the available designs and sync to your watch. Some models also allow long-pressing the watch screen to switch faces.
Is the Nuband Flash HR 3 waterproof?
It has an IP67 rating, meaning it resists splashes, rain, and dust, and can survive immersion up to 1 meter for 30 minutes. However, it is not suitable for swimming or showering.
How do I reset the watch to factory settings?
On the watch, go to Settings > Reset > Confirm. Alternatively, in the Nuband Fit app, select your device and choose 'Unpair' or 'Reset'. This will erase all personal data.
How long does the battery last and how to charge?
The battery lasts up to 7 days with typical use. Use the included magnetic charging cable. Attach the pins to the contacts on the back of the watch. A full charge takes about 2 hours.
Can I answer calls on the watch?
Yes, you can accept or reject calls from the watch. The watch has a speaker and microphone for hands-free calling. Ensure the phone is within Bluetooth range.
What should I do if the watch is not syncing with the app?
First, ensure Bluetooth is enabled on your phone and the app is running. Try restarting both the watch and the phone. If the issue persists, unpair and re-pair the device in the app.
How do I clean the watch?
Use a soft, lint-free cloth slightly dampened with water. Avoid alcohol, solvents, or abrasive materials. Dry the watch thoroughly before charging. For the strap, rinse with mild soap and water.
Where can I find the user manual?
The user manual can be downloaded for free from notice-facile.com in PDF format. Search for 'Nuband Flash HR 3 NU-G0054' and select your language.
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