Description: This FM transmitter has the functions of bluetooth-compatible answering, hanging up, rejecting, redialing calls, etc. It also supports bluetooth-compatible stereo music playback, U disk T more→F card playback, and FM full frequency transmission. It also supports car battery voltage detection, support for colorful light display, automatic power-off memory function and support for mobile phone navigation voice prompts. Made of high-quality ABS and metal materials, it is durable. Moreover, it supports 5V/1A and 5V/3.1A mobile phone charging as well as charging recognition. The length of the product is 3.85cm, the width is 5cm, and the height is 7.9cm. It is suitable for charging, music