adopt bluetooth 4.0 protocol, compatible with bluetooth protocol version 2.0 3.0 4.0 Can support common MP3 audio formats, as well as WMA, WAV, FLAC, and other high-quality audio format decoding, classic bluetooth function Can support DSD large capacity transmission, the data transmission speed between devices is stable and faithful. Designed for music lovers Bluetooth version: 5.0 Product voltage: 5-12V Project type: Bluetooth car kit Features: Bluetooth audio adapter cable Allows you to connect to an external; You can stream from your smartphone to your car audio; Pair your phone with Bluetooth module and select Aux from the radio. You can listen to the music played on your phone through the car speakers. Applicable to all Bluetooth-enabled PADs. Bluetooth module connector: 12V Red cable: 12V (positive) Black cable: 12V - (negative) Cable length: about 25cm Core material: tinned copper Number of cores: 6 Color: black Material: plastic Size: 7 x 3cm Package Contents: 5 x Audio