fm transmitter auxiliary modulator bluetooth hands car kit audio mp3 player with 3 interfaces fast 3.1a charger

this product comes with 3 usb charging ports, 3.1a high current output, supports charging of various products such as iphone, android, type-c, etc. the product is equipped with bluetooth music player, high-performance stereo sound, no caton, and supports multiple formats of lossless music and multiple audio formats. with usb flash disk and tf card socket, compatible with various music usb flash disk and tf card music, up to 32gb expansion, and the playback mode can be switched y. the operation is simple, one button hanging up the phone, rotating the button to adjust the volume and frequency, low noise, clear call and no noise. compatible with a variety of mobile apps, support a variety of sound software, and play through the car audio..syi