Bluetooth V2.1 EDR Car Kit MP3 Player FM Modulator USB Charger Remote Controller Description:Support for Bluetooth hands-free telephone， convenient and safe on the phoneHave CVC noise processing， has the wind noise suppression function， full-duplex call technologyHigh quality A2DP streamingSupport USB\/SD card MP3 format music playing and for mobile phone charging.With multi-function remote control， Can realize number song selection and choose frequency Specification:1. FM Emission Frequency: 87.5~108MHz2. Bluetooth Version: V2.1+EDR3. Frequency Response: 20Hz-15KHz4. Rated Voltage: 12V5. Limit Voltage: 9~26V6. Power Consumption: 1W7. SNR!#!amp!*!gt;60dB8. Bluetooth audio Process with A2DP function (Advance Audio Distribution Profile)9. Bluetooth Transmission Distance: 10-15m10. Color: White， Black Package Includes:1 x Bluetooth MP3 Modulator1 x Remote Controller1 x User Manual More detail: