Brand Woowi Model BTEC018 Quantity 1 Color Black + Silver Bluetooth Version V2.1+EDR Ear Coupling Earbud Talk Time 2.5~3 Hour Standby Time 80 Hour Operating Range 10 meter Compatibility Iphone 4S/5 Microphone Yes Radio No Supports Music Format No Power Supply Built-in battery Built-in Battery Capacity 32mAh Other Features Snail design mini size single button operation; Capable of connecting two cell phones Packing List 1 x Bluetooth headset 1 x USB cable (4cm) 1 x Transparent ear hook 1 x Black ear hook 2 x Ear cover 1 x 2-Flat-Pin plug power adapter (100~240V) 1 x Chinese user manual