Active 3 NU-G0040 - Smartwatch Nuband - Free user manual and instructions
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| Product Type | Smartwatch |
| Brand | Nuband |
| Model | Active 3 NU-G0040 |
| Dimensions | 45 x 38 x 10 mm (approx.) |
| Weight | 50 g (approx.) |
| Display | 1.3 inch TFT LCD (approx.) |
| Battery | Rechargeable lithium-ion, 300 mAh (approx.) |
| Charging Time | 2 hours (approx.) |
| Standby Time | Up to 7 days (approx.) |
| Water Resistance | IP67 (splash and dust proof, estimated) |
| Connectivity | Bluetooth 5.0 (approx.) |
| Compatibility | iOS 9.0+ / Android 4.4+ |
| Sensors | Heart rate, accelerometer |
| Main Functions | Step counter, heart rate monitor, sleep tracking, notifications, alarm, stopwatch |
| Additional Features | Sedentary reminder, call/SMS notifications, remote camera control |
| Maintenance & Cleaning | Wipe with a soft, dry cloth. Avoid harsh chemicals. |
| Safety | Do not expose to extreme temperatures. Remove if skin irritation occurs. |
| Spare Parts & Repairability | Battery replacement by qualified service center. |
| General Information | Intended for fitness and daily activity tracking. Not a medical device. |
Frequently Asked Questions - Active 3 NU-G0040 Nuband
How do I turn on the Nuband Active 3 smartwatch?
Press and hold the side button for 3 seconds until the screen turns on.
How do I pair the watch with my phone?
Download the Nuband Fit app, enable Bluetooth, and follow the pairing instructions in the app.
Is the Active 3 waterproof?
It has an IP67 rating, meaning it is protected against dust and can be submerged in up to 1 meter of water for 30 minutes. Avoid swimming or showering.
How do I charge the watch?
Use the included magnetic charging cable. Attach the charger to the back of the watch until it clicks. The battery charges fully in about 2 hours.
How can I measure my heart rate?
Ensure the watch is snug on your wrist. Open the heart rate app on the watch. It will measure continuously in auto mode. For a spot check, you can start a manual reading.
How do I set an alarm?
From the watch menu, select Alarms, then add a new alarm. Set the time, repeat days, and confirm. The watch will vibrate at the set time.
Why is my watch not receiving notifications?
Check that Bluetooth is connected and the Nuband Fit app has notification permissions enabled. Ensure Do Not Disturb is off on the watch.
How do I replace the band?
The band can be removed by sliding the quick-release pin. Insert the new band and push the pin back until it clicks. Bands are available separately.
How do I reset the watch to factory settings?
Go to Settings > Reset and confirm. This will erase all personal data and restore default settings.
How do I update the firmware?
Open the Nuband Fit app. If an update is available, you will be prompted to download and install. Keep the watch close to your phone during the process.
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