Model YJLY Quantity 1 Color Black Bluetooth Version V2.0 Ear Coupling Over the Ear Talk Time 5~8 Hour Standby Time 15 Hour Operating Range 5~8 meter Compatibility V1.1 Microphone Yes Radio N/A Power Supply Built-in battery Built-in Battery Capacity 120mAh Compatible With Samsung i9300 Other Features UV400 protection interface: Mini USB lens height: 3.6cm lens width: 5.9cm lens overall width: 12.1cm bridge width: 2.1cm temple length: 13.8cm. Can make and receive phone calls lightweight durable use good for cycling leisure and other outdoor activities use. Packing List 1 x Bluetooth sunglasses earphones 1 x 2-Flat-Pin plug power adapter (110~200V) 1 x Cleaning cloth 1 x USB data cable (80cm) 1 x Carrying case 1 x English / Chinese user manual