FM Transmitter with Bluetooth 5.0 Handsfree and QC 3.0 USB Quick Charger. In addition, the device is equipped with a multi-colored backlight, which can also change colors according to the rhythm of the music. - Wireless transmission of phone calls and sound playback to the car stereo via FM Bluetooth - Hands-free mode, which automatically switches from music playback when receiving calls - Easy handling of devices - RGB backlight - Advanced bass boost technology is activated by pressing the corresponding button - Possibility to activate the assistant (using the smartphone function) - Modern design with clear LED display - Battery voltage detection when connected to cigarette lighter - Dual USB output - Latest JL 5.0 Bluetooth technologySpecification:- Bluetooth: version 5.0 JL- Bluetooth protocol: AVRCP, HFP, A2DP- Frequency range: 87.5 - 108 ,0 MHz- Frequency stability: +/- 10ppm- Power supply: DC 12 - 24V- 2 USB slots: QC 3.0, 5V / 2.4V (total 30W)- microSD card: maximum memory 32 GB- File format: MP3 / WMA / WAV / FLAC - Display: LED 8x20mm - Material: ABS - Dimensions: 83.6 x 48.5 x 45.6 mm - Weight: 44.5 g - Packaging: box with pendant (171) 146x93x58mm