bnsggl Pack Of 5pcs 3.7V 501012 40mAh Battery Polymer Rechargeable Lithium Batteries Set For Earphone Headphones

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  • With multiple protections such as overvoltages, overcurrent, shortcircuit, overcharging,
  • Bluetooth-compatible earphone lighting fixture with dedicate compatibility with multiple devices.
  • 501012 40mAh 3.7V earphone and lamp battery, providing power for your devices.

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