Features: Bluetooth master chip, Bluetooth 5.0 version, high-speed transmission without distortion, sound quality up to high-definition standards. The car Bluetooth music player has wireless music transmission function. If you use Bluetooth transmission, you can say goodbye to messy cables, and you can also play music online. In the era of streaming media, various online apps are quite convenient, and the sound source is updated in time.Explanation: Bluetooth version: 5.0 and earlier versions Product voltage: 5-12V Product Features: 1. The product supports efficient music transmission, version 5.0 and earlier versions 2. If a call comes in, you can answer the call Fit: Compatible with various aftermarket CD players, such as Alpine, Pioneer, Clarion, and other navigation systems. The car must have an AUX IN female port; connect via RCA male plug to enable Bluetooth music functionality Color: Black Material: Plastic Package Contents: 1 x Audio Cable 1 x MIC Bluetooth Microphone Note: Light reflection and different displays may cause the color of the item in the picture to vary slightly from the actual product. Measurement allows an error of +/- 1-3 cm.