Certification:NONE Origin:Mainland China Model Name:BT28 Out Power:QC3.0 Material Type:ABS Item Type:FM Transmitters Voltage:24V Special Features:QC3.0 fast charge Bluetooth version 5.0, support Bluetooth call, Bluetooth music transmission, caller ID. Support TF card / U disk game and card reader function, support MP3 / WMA format music. QC3.0 fast charging can externally charge expanded portable device functions, suitable for all mobile phones, tablets and other electronic products. 1.44 inch TFT true color screen, display frequency, playback mode, EQ sound effect mode, read data, music name and display voltage. Support of menu setting language, play mode, sound effect mode. Support power-off memory and folder playback functions. AUX input and output function. FM transmit frequency 87.5-108.1MHZ Bluetooth version: 5.0 + EDR Bluetooth sound processing: A2DP Bluetooth microphone effective distance: 0.5-2M Bluetooth transmission distance: 10M TF & U Disk: 128GB Music format: MP3 / WMA FM transmit frequency: 87.5-108.0MHz Operating voltage: 12-24V Operating temperature: 0-40 Distortion: less than 0.1 Signal to noise ratio more than 60db AUX: output and input USB: QC3.0 fast charge Colour: black Material: ABS Package Contents: 1 * Car player Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.