Color Black Model BS40 Material Plastic Quantity 1 Piece Shade Of Color Black Ear Coupling In-Ear Bluetooth Version V4.0 Operating Range 10m Radio Tuner No Microphone Yes Supports Music Yes Connects Two Phones Simultaneously No Applicable Products OthersSupports all mobile phones and pads with built-in bluetooth function Built-in Battery Capacity 150 mAh Battery Type Li-polymer battery Talk Time 10 Hour Music Play Time 10 hours Standby Time 200 Hour Plug Specifications OthersUSB2.0 Other Features Sunglasses: polarized lenses UV400 protection; Bridge width: 2cm; Lens Width: 6cm; Lens height: 4cm; Full length: 14cm Packing List 1 x Sunglasses 2 x Bluetooth stereo earphones 1 x USB Charging Cable (80cm) 1 x English user manual 1 x Carrying box