Usage Tips:Features: Bluetooth master chip, Bluetooth 5.0 version, high-speed mission without distortion, sound quality up to high-definition standards. The car Bluetooth music player has wireless music mission function If you use Bluetooth mission, you can say goodbye to messy, 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 the following versions Product voltage: 5-12V Product Features: 1. The product supports efficient music mission, version 5.0, the following versions 2. If the call comes, you can answer the call. FIT: for various after-installed CD players, such for Alpine, Pioneer, Clarion and other navigators. The car is equipped with an AUX IN female head speaker, which can be inserted opposite to the RCA male head to achieve Bluetooth music. Colour:black Material:plastic Package Contents: 1 * Audio Cable 1 * MIC Bluetooth Microphone Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.