Multi-Functional Car Charger,FM Transmitter,Radio Adapter, Bluetooth 5.0 Music Player, with Hands-free Call, USB Interface and Type-C Interface Product parameters Product Color: Black Material: ABS Bluetooth Version: 5.0 FM Frequency: 87.5-108.0MHZ USB Output: 5V/3.1A Type-C Output: 5V/3.1A Working Voltage: DC:12V-24V Net Weight: 23g/0.05lb Gross Weight:45g/0.10lb Product Size: 7.83.53.5cm/3.07x1.37x1.37in Packing Size: 12.56.24.2cm/4.92x2.44x1.65in Product description: Lossless audio decoding, built-in high-performance decoding module, Bluetooth 5.0 lossless transmission, high resolution, 3D surround sound, more stereo sound quality Bluetooth V5.0, dual display nixie tube display, support QC3.0 fast charging, support PD fast charging, support voice assistant function, Bluetooth hands-free call, support Bluetooth stereo music DSP technology USB flash drive plug and play, various brands of music USB flash drive, can also be connected to mobile phone Bluetooth to play music, and the playback mode can be changed Support one-button shutdown; Support any key to start, support atmosphere light, battery voltage detection, automatic power-off memory function, turn off memory playback, start automatic connection back, memory frequency, and restart tracks power-off of songs disconnected at the beginning of playback It is stable and firm, constantly bumping, strengthening the anti-slip shrapnel on both sides, elastic and stable, and widely used: Bluetooth car FM transmitter can be used as a hands-free kit to pair with all devices supporting Bluetooth, such as mobile phones, Bluetooth headsets, tablets, etc Package Included: 1x Car Charger 1x Instructions