Product Features: Car Bluetooth MP3 supports hands-free calling, built-in high-sensitivity microphone, HSP noise floor and echo suppression. LED digital display screen can display frequency point and working status information. Automatically detect car battery voltage, voice reminder, support instant voltage viewing, Bluetooth smart MP3 player, support mobile phone/network/all kinds of music APP software playback. Support mainstream map APP navigation voice broadcast and other software language playback function, support lossless audio decoding, high resolution, high performance stereo, support WMA, APE, FLAC, WAV and other lossless music formats. (97% of car Bluetooth on the market does not support FLAC and APE formats) Upgraded version of Bluetooth 5.0 chip, the connection is more stable, support TF card and U disk expansion playback, automatic connection back faster. Dual USB fast charging, QC3.0 intelligent fast charging, dual USB simultaneous charging does not affect the charging speed, supports playback breakpoint memory function, supports key operation to switch folder playback. Knob design, one-key operation to adjust the volume / answer / hang up / call back. Product Specification: Type:QC3.0/Withoutqc 3.0 Bluetooth FM Player Material:ABS Color:Black Bluetooth Version:Bluetooth 5.0 Effective Distance:≤10M Launch Distance:5M Dual USB Output Current:Standard 5V/3.4A(max) QC3.0 Screen:LED screen Support TF Card/U Disk Capacity:Max 64GB Power Supply Voltage:DC12-24V Bit Rate:64-320KBPS Harmonic Distortion:0.05% FM Signal to Noise Ratio:85db (FM File Support Type:MP3/WMA/APE/FLAC/WAV Package Includes: 1 x Bluetooth FM Player                  Thank you for your support Welcome to buy from us You can contact with us to get more detail of the goods .Have a nice day