Gifts Speaker Product Description New selfie feature allows for the speaker to be used as a camera button Support hands free profile Compatible with any Bluetooth device Gifts Speaker Product Features Model Number BTS-JM 30 Size 27*27*29 mm Materials ABS Color Red, black, blue, white, yellow,customized Battery rechargeable Li-Ion battery,support 2 hours play Certification CE, ROHS, CE EMC, CE LVD,R&TTE Gifts Speaker TECH. PARAMETERS Bluetooth Version: 3.0+ EDR RF Range: 10 meters (33 ft) Loudspeaker output: 3 W Battery Capacity: 2 600 mAh capacity, rechargeable Li-Ion battery Charging Voltage: 5 V+/-0.5 V via Mini USB Port http://www.wirelessspeakerchina.com