This product can charge, so you can do not to change the battery, buy battery 2 suitable for mild ear Cong crowd. Can not be w

Product specifications:Power Supply:Rechargeable Battery Voltage:3.7VDCOperating Current:<=16mA+/-20%Speaker Impedance:200 ohmOutput Power:3mWUnit Weight:20g(including built-in rechargeable battery)

QTY:100PCS

NW:3.05

GW:6.05KG

Battery model:675

Color Box Size:13.4x11.5X6.1

CMcontents fo package:

1,This produst

2,Soft ear piece covers

3,AC charger, rechargeable lithium batteries

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