Material: ABSModel: G57Weight: 67Storage 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 playerProduct ListHost + Chinese and English manual + neutral English packaging color boxPacking size: 11.2 x 7.5x5cmWeight: 41gProduct Features:Business bluetooth headset + car FM transmitter1. FM FM transmitter2. The headset has a long battery life and is convenient to charge3. QC3.0 fast charge charging + PD charging interface4. FM digital display5. Vehicle battery voltage display6. Support mobile phone music/navigation Bluetooth playback7. Both hands-free via Bluetooth can be used for one-key hands-free, and headsets can also be used for private calls8. Bluetooth stereo music playback, which can be transmitted to the car stereo through fm, or you can enjoy clear music exclusively9. Call echo cancellation and noise reduction (CVC) technology10. Automatic memory function of power failure frequency point Product parameterBluetooth version: 5.0Limit voltage: 9-26VWorking voltage: 12-24VHeadphones: DC3.7V 30mA (0.111WH) built-in lithium battery, charging through the FM transmitter baseQC3.0 charging port: DC5V/3A+9V/2A+12V/1.5AType-C charging port: DC5V/3AFM transmitting frequency: 88.0MHZ-108.0MHZBluetooth effective distance: 10mSensitivity: -42dB+/3db 360