5Pcs 40mAh 3.7V Battery 501012 Lithium Batteries Set Rechargeable Battery For Bluetooth-compatible Headsets Lamp

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Product description
- With multiple protections such as overvoltages, overcurrent, shortcircuit, overcharging,
- 501012 40mAh 3.7V earphone and lamp battery, providing power for your devices.
- 40mAh large capacity with long sustainable use time.
- Bluetooth-compatible earphone lighting fixture with dedicate design, compatibility with multiple devices.
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