Features: 1.Adopt bluetooth 5.0 protocol, backward compatible with 2.0 3.0 4.0 other versions of bluetooth protocol. 2.Can support common MP3 format audio, also support for WMA, for WAV, for FLAC, and other audio format decoding. 3.Non?general ordinary bluetooth function, can support DSD Large?capacity transmission, stable data transfer between devices, fidelity, designed for music enthusiasts. 4.Match your phone or tablet to bluetooth module, then you can use your phone to play music through car speakers. You can hear music from your phone/tablet/mp3. 5.Supports efficient music transmission, bluetooth version 5.0 if the call comes, you can answer the phone, sound clear. Specification: Item Type: Car Stereo Microphone Material: ABS Voltage: DC12V Bluetooth: Bluetooth 5.0 Microphone Cable Size: Approx. 150cm/59.1in (Manual Measurement Will Have Errors) Fitment: For Radio with 8Pin ISO Port PackageList: 1 x Car Stereo Microphone 1 x Adapter