soundcore A3212 Life U2 Bluetooth Neckband Headphones User Manual
- June 13, 2024
- Soundcore
Table of Contents
soundcore A3212 Life U2 Bluetooth Neckband Headphones
Charging
- Fully dry off the USB port before charging.
- To prevent damage, use the provided USB-C cable.
LED indicator
| Steady red| Being charged
---|---|---
| Steady blue| Fully charged
| Flashing red| Low battery
Powering On/Off
- Press and hold the multi-function button for 1 second to power on.
- Press and hold the multi-function button for 3 seconds to power off.
LED indicator
| Steady white for 1 second| Powered on
---|---|---
| Steady red for 1 second| Powered off
Bluetooth Pairing
- When powered on, find “Soundcore Life U2” in the Bluetooth list on your device and connect.
- When powered off, press and hold the multi-function button for 3 seconds until the LED flashes blue to enter the Bluetooth pairing mode.
LED indicator
| Flashing blue| Bluetooth pairing
---|---|---
| Steady blue| Bluetooth connected
Multi-point Pairing Mode
- When successfully connected with the first device, press and hold the volume up button and volume down button simultaneously for 3 seconds to pair with another device.
- Soundcore Life U2 can only play music on one mobile device at a time.
- Each time you power your Soundcore Life U2, it will automatically connect to your last successfully connected device if available.
Button Controls
Wearing
Choose the EarTips and EarWings that fit your ears
best.
Reset
- Make sure the headphone is powered off and being charged.
- Press and hold the multi-function button and volume up button simultaneously for 5 seconds until the LED indicator flashes red twice.
All the memory data will be cleared.
Specifications
Specifications are subject to change without notice
| Input | 5 V | 0.5 A |
|---|---|---|
| Charging time | 2 hours | |
| Playtime (varies by volume level and content) | 24 hours | |
| Driver size | 10 mm × 2 | |
| Frequency response | 20 Hz – 20 kHz | |
| Impedance | 16 Ω | |
| Waterproof level | IPX7 | |
| Bluetooth version | V5.0 | |
| Bluetooth range | 10 m / 33 ft |
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