Bluetooth FM Transmitter, Bluetooth Car MP3 Player Wireless FM Transmitter Stereo Music Audio, Car Charger, 2 USB Port, Hands-Free Calling, USB Flash Drive Voltage Display

Two USB ports, support 3.1A fast charging, built-in overcurrent and short circuit protection, safer to use.

Supports hands-free calling, built-in noise reduction microphone, clear calls, one-touch answer/reject/redial.

With digital display, real-time monitoring of battery voltage and frequency, easy to read and safer to drive.

Support Bluetooth wireless connection and U disk playback, lossless sound quality, give you a pleasant music experience.

With power-off memory function, automatic connection after power-on, frequency memorization, more intelligent. It is suitable for most 12-24V mainstream models on the market.