Color Silver + Black + Multi-Colored Brand Aita Model AT-BT33 Material ABS Quantity 1 Set Shade Of Color Silver Ear Coupling Ear-hook Bluetooth Version V4.0 Operating Range 10m Radio Tuner No Microphone Yes Supports Music Yes Connects Two Phones Simultaneously No Applicable Products OthersCell phones with bluetooth. Built-in Battery Capacity 90 mAh Battery Type Li-ion battery Talk Time 6 Hour Music Play Time 3~4 hours Standby Time 180 Hour Plug Specifications OthersUSB cable Packing List 1 x Headset 2 x Ear plugs 2 x Ear hooks 1 x Case 1 x USB cable (23cm) 1 x Chinese/English user manual