Bluetooth Version: V3.0 Bluetooth profiles supported: Headset and Handsfree Operating distance: 10 meters Operating temperature: 0-50 degree celsius Charging time: Around 1.5 hour Talk time: Up to 5 hours Standby time: Up to 110 hours Battery Type and Capacity: Rechargeable Li-Polymer 60mAh Dimension: 47(L) x 26(W) x 14.5(H) mm Weight: 18g