1Car bluetooth hands-free phone system, fast connection speed, support voice prompt. 21.8 inch widescreen digital display, can display frequency point and other working status information. 3AUX audio input and output, support echo and noise suppression (CVC) technology during the call. 4Auto battery voltage is automatically detected at startup, voice reminder, mobile APP music/mobile voice navigation is played 5Support TF card/USB flash drive for extended playback, support automatic power off memory function.Features:1. Car bluetooth hands-free phone system, fast connection speed, support voice prompt.2. 1.8 inch widescreen digital display, can display frequency point and other working status information.3. AUX audio input and output, support echo and noise suppression (CVC) technology during the call.4. Auto battery voltage is automatically detected at startup, voice reminder, mobile APP music/mobile voice navigation is played5. Support TF card/USB flash drive for extended playback, support automatic power off memory function.6. FM full frequency point transmission 87.5-108mhz, 206 frequencies.7. Support caller identification, redial the last number.Specification:Condition: 100% Brand NewItem Type: Bluetooth Car MP3 PlayerModel: T91Material: ABSColor: BlackLCD Display Screen: 1.8 InchCurrent Output: QC3.0 + 2.4AFrequency Range: 87.5-108.0mhzWorking Voltage: 12V-24VQC3.0 Interface: 5V/3A(Maximum), 12V/1.5ASupport USB Flash Disk/Memory Card: 32GBluetooth Effective Distance: 10mMusic Format: MP3 / WMA / WAV / APE / FLACSize: 85x50x166mm/3.35x1.97x6.54inch(Approx.)Package List:1 x Car MP3 Player1 x 3.5mm Cable1 x English Manual