Wireless audio adapter cable ,add bluetooth to your car. Vehicular audio system changes into Bluetooth audio in a second, wireless play audio from mobile phones/mobile terminals HIFI sound on the road Vehicular audio system changes into bluetooth audio in a second,provide HIFI sounds on the road. High quality chip, stable transmission High-quality chip,lower power consumption better sound quality with an effective transmission distance of up to 5m Hands-free calls,built-in microphone Bulit-in microphone,enales HD hands-free calls to help you drive and work more conveniently High quality material Gold plating for inerface,no afraid of oxidation,further improve sound quality. The wired speaker changes into a bluetooth The traditional wired speaker changes into a stereo connecable to be a TV/mobile phones/tablet via the bluetooth adapter Small size,good look Made of high quality and heat-resistant zinc alloy,the cable natural length is 45cm and can be up to 1.2M