Every detail is a work of ingenuity, and new features are upgraded to create a high-quality car player.You can use Bluetooth connection to transfer MP3 music from mobile phone to car stereo via wireless transmission,You can also use hands-free callingBluetooth 5.0 + EDR version, support voice prompt for operation, support phone number,Support FM full frequency point transmissionMP3/WMA music format, support automatic shutdown memory function,Bluetooth stereo A2DP music playbackThis product is a dedicated Bluetooth hands-free car charger MP3 player for cars.,Use high-performance professional-grade Bluetooth 5.0 chipSpecification:Product net/gross weight: 37g/61gProduct size: 40.5*52.5*83MMPacking size: 70X45X95mmVersion: Bluetooth 5.0Power consumption: 1WWorking temperature: 0-50 degreesMusic format: MP3 / WMA / WAV / APE / FLACSignal to noise ratio:> 60dBDual USB output: 3.1AUSB2-U disk: 1ASupport U disk / TF card capacity: 1G-32GDistortion: <; 0.1%Frequency response: 20Hz-20KhzBluetooth transmission distance <; 10MBluetooth microphone effective distance: 0.5-2MFM transmission frequency: 87.5MHz-108.0MHzProduct description:1. Nixie tube display.2. Support U disk / TF card playback.3. Support WMA, MP3, WAV, APE, FLAC music format files.4. Automatic power-off memory function.5.Bluetooth supports A2DP, AVRCP, HFP, HSP.6.Bluetooth hands-free calling.7. Support Bluetooth stereo music DSP technology.8. E-C-H-O cancellation and noise suppression (CVC) technology when talking.Package Included:1*FM transmitterIf you have any questions, please contact us in time, we will reply to your inquiry within 24 hours.Thank you for your patronage。