Brand N/A Model BSH 702 Quantity 1 Color Black + silver Bluetooth Version Bluetooth v3.0 Ear Coupling Earbud Talk Time 5 Hour Standby Time 120 Hour Operating Range 10 meter Compatibility N/A Microphone Yes Power Supply Built-in Battery Compatible With All kinds of cell phones with Bluetooth function Built-in Battery Capacity 70mAh Other Features Bluetooth v3.0 standard; Simple and compact design; Signal transfer time delay about 0.5s; Long life and radiation-proof for daily use. Packing List 1 x Bluetooth headset 1 x USB cable (23cm) 1 x Earphone (50cm) 1 x Chinese user manual