Model Q-T1 + BH-M6 (SIG: https://www.bluetooth.org/tpg/EPL_Detail.cfm?ProductID=16553 ) Quantity 1 Color Black + Silver Bluetooth Version Bluetooth v2.1 Ear Coupling Wireless and Bluetooth Talk Time 10 Hour Standby Time 150 Hour Operating Range 10 meter Compatibility Compatible with the mainstream brand Bluetooth mobile phone Microphone Yes Radio N/A Power Supply Built-in Battery Built-in Battery Capacity 180mAh Compatible With Iphone 4 / 4S / 3 / 3GS / 4 Ipad Other Features Supports wired telephone circuit; Can answer telephone and mobile phone calls; Automatic hands-free when enter into telephone Bluetooth headset within 5~8 meter; Volume adjustable; Supports Headset Profile and Hands-free Profile. Packing List 1 x Headset 1 x Telephone 1 x 2-flat-pin plug USB power charger (100~240V) 1 x USB charging cable (200cm) 1 x English user manual