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

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  • 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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