Material: ABS Dual standby visor music Bluetooth Hear your calls clearly with its dual microphone technology Just clip and go-on installation， no programs， no wire ，play your music and calls through the Speakerphone of the Receiver Simple wireless connection to existing audio gear， compatible with any stereo line input Description: This is the New Bluetooth 4.0 Car Kit Hands-Free Speakerphone Clip Music Receiver， which can compatible with Bluetooth-enabled mobile phones， laptop， tablet， or MP3 player， etc. It features multifunction， ultra low power， superior sound for hands-free call in the car. The Bluetooth car kit enables you to take hands-free call and listen to music while driving your car. And it will remind you the calls and the time to recharge. Easy operation and convenient use. You will love it! Buy it today! You can¡¯t miss it! Features: -With the microphone mute function -With HD Voice -With the HD Microphone Strengthening noise cancellation technology Specifications: -Size:11.5 x 6.5 x 2.0 cm -Package weight:6.9 oz/196g -The cable length:150cm -Bluetooth 4.0 +EDR， class 2 -Support A2DP stereo profile -Supports Bluetooth hands-free -Support DSP， Auto pairing -Dual Microphone(Noise Blackout) -The device is connected via USB -Up to 17 hours talk time or continuous with USB charger -Standby time: up to 500 hours -Input voltage:3.7V 650mA -Output voltage:DC5V-6V 400mA -The headset power:2W -Power:3W -The speaker resistance:4¦Ø -The speaker power:2W -The microphone sensitivity:-41db -Frequency response:60Hz-18KHz Package including: 1 * Bluetooth 4.0 Vehicle Speakerphone 1 * USB Cable 1 * Car cigarette lighter 1 * User Manual