The FM28B Bluetooth Car FM transmitter is installed with a high-performance Bluetooth module and a sophisticated MP3/WMA decoding chip. It is able to play music from Micro SD and mobile phone through the car stereo via FM radio transmission. It Support Bluetooth hands-free phone calls and can switch to music automatically once the phone call has ended. You can enjoy music and answer phone calls simultaneously easily using Bluetooth.Feature:1. Can adjust random the angle， suitable for different vehicles.2. Support LED display and power on/off by software3. Play music in Micro SD card (up to 32GB)4. Support music IN format of MP3/WMA/WAV5. Bluetooth hands-free6. Support music playing via Bluetooth stereo7. CVC technology cancels echo and reduces ambient noise.8. Support IR remote control9. Support IR remote control to answer calls or switch calls10. Built-in chargeable lithium battery11. Supports power supply to other equipment via USB and Max output 5V/2.1A12. Main part of Product and cigarette lighter work separately for easy operation13. Stereo Bluetooth and FM transmitter14. Automatically power-off memory15. Volume adjustment at 360 degree and pick up calls by separate top button easilySpecification:1. Rated Voltage:12V2. Limited voltage: 9~26V3. USB output: 5V/2.1A4. Work temperature: 0~50 degree5. Support file format: MP3 / WMA/WAV6. SNR: >60dB7. Degree of distortion: <0.1%8. Frequency response: 20Hz-15Khz9. Left and right channel dB: >60dB10. Bluetooth version : Version 2.011. Bluetooth feature: A2DP (Advance Audio Distribution Profile)12. Bluetooth Transmit distance: 10M13. Bluetooth microphone effective range: 0.5~2M14. FM Transmit frequency: 87.5~108Mhz15. Transmit frequency modulation mode: Stereo digital PLL frequency lockPackage Included:1 x Car Kit handsfree Bluetooth FM Transmitter MP3 Player1 x Remote Control Unit.1 x User Manual