Speaker Battery Platform USB Product Type Speaker Power Source Cordless Play Modes Auxiliary Bluetooth USB Tool Length 3 3/4 in Tool Depth 3 1/2 in Tool Height 3 1/2 in Standards BC CE FCC IC IP45 Cordless Tool Kit Contents Bare Tool Battery Capacity 2.2 Ah Battery Included / Bare Tool Battery Included Voltage 3.7 V Charging Type USB Charging Bluetooth Capability Yes Charger Input Voltage Micro USB Charging Capability Yes Compatible Battery Voltage 3.7V