Specification :
1 x WiTalk-BP 1200mAh Rechargeable Battery
Type: Li-ion Battery
Power: 3.7V / 1200mAh / 4.44Wh
1.73 x 1.42 x 0.55” (44 x 36 x 14mm)
Weight: 1.2oz (34g)
Operating Temperature: -10? C to 50? C
Storage Temperature: -20? C to 55? C
Compatible with: WiTalk-DMH, WiTalk-DRH, WiTalk-SMH, and WiTalk-SRH Wireless Intercom Headsets, and the WiTalk-Hub Base Station