Features:100% Brand New and High QualityWith compact portable designEasily paired， no pairing codeBe attached with a standard USB charging port and a 3.5mm audio cableReceive audio signal by wireless Bluetooth or transfer the audio signal by the included 3.5mm audio cableCan easily and simply to upgrade the car stereo audioSupport universal control function (such as play/pause， previous song， next song， etc)Support Bluetooth hands-free function， you cannot miss any call when listen to music.Support all car stereo with AUX INSpecifications:Color: BlackThe minimum length of the 3.5mm audio cable (flexible): 25cmCharging function: standard USB portBluetooth Version: Bluetooth 4.0Compatibility: ALL Bluetooth versionsApplications: car stereo with AUX INBluetooth hands-free functionSupport A2DP， AVRCPOutput: 5V/2.1ASNR :> 93dBTHD<0.05%Frequency response: 20Hz-20KHz±0.3dBOutput level: 1VrmsCompatible with : All 3.5mm Bluetooth Device Package Included:1 x Car Kit Bluetooth music Receiver adapter USB Charger1 x User Manual