Features： 1、Stereo Quality: With high fidelity lossless anti interference performance and CVC technology, you can enjoy high resolution stereo. It supports MP3, FLAC, APE and other lossless music, a variety of music formats. 2、Dual Charging Ports: Our Bluetooth adapter comes with two charging ports, QC3.0 port and PD Type C port, so you can quickly charge two devices at the same time. 3、Signal stability: Bluetooth chip V5.0 is not afraid of strong hits and crashes, constantly connected your phone and the FM transmitter of your car's Bluetooth adapter without limiting any frequency. 4、Voltage Warning and RGB Beath Light: When plugged into the cigarette lighter, the FM transmitter will display the voltage of the car. Keep track of the health of the car battery at all times to avoid breakdowns during driving. 5、Wider Compatibility: This Bluetooth transmitter is broadly compatible with any device that supports Bluetooth and 12 to 24 V cars for Bluetooth enabled mobile phone models. Specification： Item Type: Car bluetooth adapter  Material: ABS Package List： 1 x Car Bluetooth Adapter 1 x Instruction Manual