FM Transmitter 3-in-1 device by Lamtech for easy and quick music playback on any car stereo with a radio, without additional actions. Choose an empty frequency that is not broadcasting an active radio station and synchronize the FM Transmitter device and your stereo to the same frequency to listen to music from your car speakers. 

It features a Handsfree function so you can receive calls and talk on speakerphone. It supports music playback directly from your mobile via Bluetooth and from external MicroSD memory cards. Additionally, through the USB ports, you can charge your smartphone. 

Functions:

• Answer via Bluetooth, hang up, reject, redial, and other functions.
• Support for Bluetooth stereo music playback.
• Support for car battery voltage detection.
• Support for USB Flash playback.
• Support for music playback with TF card (1G-32G).
• Support for music formats MP3 / WMA / WAV / FLAC / APE.
• Automatic power-off memory function.
• Support for 5V / 2.1A mobile phone charging.
• Support for charging recognition.