Denew (Upgraded Version) Car Bluetooth FM Transmitter(Black), Wireless Radio Adapter Hands-free Kit with Display, QC3.0 and Smart USB Ports, AUX Output, TF Card Mp3 Player Product selling point: 1, Bluetooth connection to listen to songs, power on the Bluetooth cursor began to flash, the machine FM frequency point and car FM frequency point into the same, open the mobile phone Bluetooth, search for the device name BT70 and pairing success, Bluetooth cursor stop flashing, the screen shows MP3 mode, at this time open the mobile phone music playback tools, mobile phone inside the music wirelessly launched to the car stereo playback;; 2, AUX FM listening to songs, through the audio cable, the machine AUX hole and mobile phone 3.5mm headphone hole connection, adjust the machine FM frequency point and car FM frequency point consistent, mobile phone music launched to the car stereo playback;; 3Driving hands-free call, the incoming call rings, automatically report the number, automatically pause the music, through the car stereo hands-free call after connection 4Navigation volume amplification, while listening to songs, while navigating, while charging, automatically amplify the volume of the phone navigation voice, clear and pleasant 5Dual USB charging, QC3.0+2.4A USB charging. 6. Close FM function [ Long press the next song key for 5 seconds to close FM function ]. 7. TF card readable, supports MP3 and WMA format files, can be used as a card reader 8. Full frequency transmitting point, 87.5-108.0MHZ, LCD LCD screen, display working frequency working status 9. A2DP function, full duplex true stereo sound, automatic noise reduction, echo cancellation Parameters: 1. Input voltage: DC12V-24V, 2. Output voltage: DC5V+/-0.25, 3. Output current: QC3.0+2.4A, 4. Bluetooth version: Torch Force ATS 4.2+EDR, 5. Effective distance: 10m, 6. FM range: 87.5-108.0MHZ, 7. Display screen: 1.7" large screen, power management: Over-current, over-voltage, over-temperature, short-circuit protection