Description: 1.This product is a car-specific Bluetooth hands-free car charger MP3 player. 2.Using high-performance professional-grade Bluetooth 4.2 chip 3.You can use your Bluetooth connection to transmit MP3 music from your phone to your car stereo via wireless transmission 4.You can also use hands-free calling 5.You don"'"t need to modify your car to make it easy for you to enjoy the music while you"'"re on the road. 6.Bluetooth 4.2+EDR version, support operation voice prompts, support call number 7.Intelligent recognition of all types of Android and Apple mobile phones and other devices, USB charging support 2.0 fast charge. USB 1:2.1A fast charging,USB2:1A charging/support usb disk playing. 8.Support FM full-frequency point emission 9.MP3/WMA/WAV/APE/FLAC music format, support automatic power off memory function 10.Bluetooth stereo A2DP music playback Specifications: USB interface: high speed USB2.0 Screen: LED screen Support U disk capacity: 32GB (U disk not included) Power supply: DC12V-24V Supported file types: MP3/WMA/FLAC/WAV/APE Operating Current: 45mA DC12V Bit rate: 64-320 kbps FM frequency range: 87.5-107MHz (100KHz stepping) Signal to noise ratio: 85dB (FM: 65dB) Harmonic distortion: <0.05% (FM <0.1%) Working temperature: 0C-60C Launch distance: <5 meters Item net weight:30g Notice: 1.the item comes without the retail packing box because it will increase the