1. Injection + PCB board.
2. With Micro-USB charging cable, length=80cm.
3. Charging voltage / current: DC5V / 500mA, battery capacity: 380mAh.
4. Use time: 20 hours, standby time: 30 days.
5. Support Android and Apple (iOS11.3-12.1.4 system).
6. Use via wireless connecting
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