Gold Wireless Bluetooth FM Transmitter Handsfree Call Radio Adapter MP3 Car Charger Car Bluetooth FM Transmitter + USB Car Charger with Voltage Display Features: 1.FM transmitter 2.LED display window 3.LINE audio input 4.Independent Bluetooth start /shutdown button 5.Support playing music by USB disk 6.Support MP3/WMA music format 7.Answer /hang up/reject/redial via Bluetooth 8.Bluetooth stereo music play 9.Call Echo Cancellation and Noise Reduction(CVC) 10.USB output voltage, provides power to other devices up to 5V/2.5A 11.Automatic memory function of power failure frequency point 12.Display of on-board battery voltage Parameters: Material:Engineering plastics Rated working voltage:12V-24V Limit working voltage:9-262V USB output:2.5A Working temperature:0-50C Play format:Mp3 WPA SNR:>60dB Degree of distortion: Frequency response:20Hz-15 KHz Bluetooth version:2.1+EDR Bluetooth sound processing:A2DP (Advance Audio Distribution Profile)function support Bluetooth transmission distance:10M Effective distance of Bluetooth microphone:0-2M FM frequency:87.5-108 MHz FM mode:Stereo digital PLL frequency locking Note: Please make sure this is right application type for your car b4 buying. thanks! Pls use safe eCRATER Paypal Instant payment. After payment within 24 hours ship out. We will only ship to the confirmed Paypal address ,pls confirm it. 1. to USA , take standard(10-20 working days) or expedited shipping(4-6 working days). expedited shipping need charge extra shipping fee. 2. to other countries, take standard(15-25 working days) or expedited shipping(5-8 working days). expedited shipping need charge extra shipping fee. 1. For mistakes by seller, We offer a 16 day return or money back guarantee. 2. Original shipping charges are non-refundable. If u choose return/exchange , Buyer pays return shipping , seller pay exchange shipping. Don''t worry , pls remember we also hope business smooth, our mission like google "Don't be evil" and "communication make life better". Pls contact us by eCRATER message , thanks ! We live in Guangdong ,there are time difference between us, so we will response Mon-Saturday when work. Thanks!