Dimension: L 47.1 x W 14.7 x H 9.9mm Bluetooth Version: 4.0 (Supports Bluetooth version® 4.0) Auto Pairing: Yes Charging Interface: Micro USB (USB Charging) Talk Time: Up to 9 hours Operating Range: 30 metres MINI Headset， Earhook Pack， Rubber USB Cable， Eargel pack