Material: PVCModel: C87BWeight: 66Storage capacity: no memoryFM frequency modulation function: YesPC interface type: BluetoothSize: 1.1 inchesPower supply voltage: 12-24Screen color: monochrome screenPower supply mode: cigarette lighter type car MP3Audio source: car integrated MP3 playerPacking size: 99x69 x46mm weight. 48gPackaging accessories1. Host2. English manual3. English neutral carton packagingFeatures:1. Bluetooth V5.02. Dual display digital tube display3. Support QC3.0 fast charge4. Support PD fast charge5. Support atmosphere lighting effect6. Battery voltage detection7. Automatic power-off memory function8. Support stereo FM transmission technology9. Support U disk/TF card music playback (max 64G)10. Support WMA, MP3, WAV, FLAC music format files11.Bluetooth supports A2DP, AVRCP, HFP, HSP12. Bluetooth hands-free callingtechnical parameter:Rated working voltage12V-24VUltimate working voltage10~26VPD output power18WUSB output power5W+18WOperating temperature0~50 degreesSupport playback formatMP3 / WMA / WAV/ FLACSignal-to-noise ratio>60dBBattery voltage error0.5VUSB1U Disk/5V/1AUSB2QC3.0(3.6V-12V)Bluetooth versionVersion 5.0Bluetooth sound processingWith DSP technology and A2DP (Advance Audio Distribution Profile) functionBluetooth transmission distance<10MBluetooth microphone effective distance0.5~2MFM transmit frequency88.1MHz--107.9MHzTransmit FM modeStereo digital PLL frequency lock