This stylish Auto Drive Smart Low-Profile Bluetooth FM Transmitter is a must have item which is very easy to install and operate. After you pair it with your Bluetooth device, you can use it to wirelessly transmit audio from your devices to car FM stereo by adjusting the radio and transmitter to the same frequency. The built-in microphone and hands-free function switch between incoming calls and music seamlessly which also cause less distraction during driving. What’s more, it also comes with an APP supported with extra functions: parking positioning, voltage monitoring and frequency adjustment. The smart locator will automatically save the location of your car to the app when parking. It monitors the vehicle battery voltage in a real time and gives warning of unusual condition. Also, you can adjust the frequency via the app. It has two USB charging ports that can charge your device up to 2.4A (one of the ports reads USB flash disk too). LED screen displays frequency clearly and its internal safeguard system protects your device from overcharging and overheating. It is compatible with Bluetooth enabled devices, like smartphones, tablets and more. The Auto Drive Low Profile Bluetooth FM Transmitter is designed to keep up with your active lifestyle, and it makes a great helper for road trips and everyday driving.