Feature:1.Only 7g, light weight, and compact size.2.bluetooth V4.2 wireless connection, stable and fast audio transmission speed, no delay and ensure original and high-quality music.3.HD microphone, chat with friends and families smooth and joyfully.4.On-cord control, you can get hands-free call, adjust volume and pause and play music, expedient for operation.5.Built-in 120mAh Li-ion battery, lasts 2h calling time and 6h playing time ( charging for 2h ).Specification:BrandKELIMAModelHW - P9bluetooth Versionbluetooth V4.2Operation distance10mTalk time2HMusic Time6HMaterialABSApply To Car BrandUniversalCompatible withUniversalWorking Voltage5V / 2AProduct weight0.0070 kgPackage weight0.0520 kgProduct size (L x W x H)5.90 x 1.30 x 1.20 cm / 2.32 x 0.51 x 0.47 inchesPackage size (L x W x H)16x 9x 4cm / 6.3 x 3.54 x 1.57 inchesPackage Included:1 X Receiver1 X Micro USB Cable1 X 3.5mm Adapter1 X Clamp1 X English / Chinese Manual