Features: 1. Uses Bluetooth main chip, Bluetooth version 5.0, high-speed transmission without distortion, sound quality can reach HD standards. 2. This product supports efficient music transfer, version 5.0, compatible with earlier Bluetooth versions. 3. Bluetooth AUX cable adapter. Suitable for aftermarket CD players, such as Pioneer, and other navigation systems. If the car has an audio input with a female AUX jack on the back, this device can be inserted to enable Bluetooth music playback. 4. Pair your phone or tablet to the Bluetooth module. Then select Aux on your radio to play audio from your phone through the car speakers. 5. Simply insert this item into the rear radio port and connect the red wire to 12V+ and the black wire to 12V-. Specifications: - Applicable models: Suitable for all car models with an AUX interface - Bluetooth name: Jierui-Bt 5908 - Bluetooth version: 5.0 - Product voltage: 5-12V - Overall length: 24cm - Material: PVC + Copper - Color: Black Package Contents: 1 x Wireless Bluetooth Audio Receiver (Other products not included) Note: Light reflection and differences in display screens may cause slight variations in color between the image and the actual item. Measurement error allowed within +/- 1-3cm.