Features: Brand new and high quality Bluetooth-compatible、FM audio transmission. Support QC3.0、QC2.0、PD for Huawei FCP for Samsung AFC、BC1.2 for Apple 2.4A and other charging protocols. Support WMA、MP3、WAV、APE、FLAC music formats. Support bluetooth-compatible hands-free、music、navigation. Support output over voltage protection, short circuit protection, over current protection, over temperature protection. Battery voltage real-time detection,low voltage flashing alarm. Automatic connect. Support U-disk /TF card peripherals. EQ sound can be adjusted. Synchronized display of music lyrics. Support break-point memory. Specifications: Bluetooth-compatible version: 5.0 FM transmission frequency: 87.5MHz-108.0MHz Bluetooth-compatible transmission distance: less than 10M PD port output: 5V/3A, 9V/2.22A, 12V/1.67A QC3.0 port output: 5V/3A, 9V/2A, 12V/1.5A Input voltage: 12V-24V U disk/T card capacity: up to 32GB Music port: 5V/2A Size: approx. 8x4.2x17.8cm/3.15x1.65x7.01in Package Includes: 1 x Car FM Transmitter 1 x Audio Cable 1 x User Manual note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!