2 pezzi 3,7 V 110 mAh 0,407 Wh batteria Li 501225 Li-ion per penna auricolare Bluetooth

2> Model：PL 501225. 4> capacity： 3.7v 110mAh 0.4Wh. we will try to provide it to you. if you need this li batteries (wholesale). 7> Built-in smart protectivePCB charging module, effectively prevents over charging, over discharging, over current, short circuit.

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