Bluetooth Features Bluetooth Version: V2.0 / SPP profile Class 2 with 10 meters in open space
Batteries and Dimensions Built-in rechargeable 1000mAh Lithium-Ion battery (up to 12~14 hrs after fully charged) Size: 80.0 (L) X 44.0 (W) X 23.0 (H) mm / Weight: 41g (Battery excluded)