Accessory Type : FM Transmitter ModulatorCompatible with : All VehiclesBrand : OthersLarge Screen. 1.44 inches Large Screen can show incoming call number, voltage level in car battery, volume, FM frequency and song name if you play music from Micro SD card or USB flash disk. Easy to read at night and in the day.Power Off Switch and Dual USB Ports: One Button to Power off,no need to worry about draining battery. The 5V/2.1A USB port is for fast charging, the other one with USB icon is for reading U disk. Note:Do not charge 2 devices at the same time.Foldable,Delicate and Convenient. The flexible neck can be adjusted to the perfect viewing angle for convenient use; Memory function makes auto-connect to the last paired phone possible.Multi Music Playing Modes and HI-FI Stereo Sound. A: Via Bluetooth; B: Via Micro SD card (MP3, WMA, WAV format supported); C: Via USB flash disk; D: Via 3.5mm Audio cable (MP3 player,tablet, etc.) Easily make crystal clear hands-free calls with CVC noise cancellation technology.Universal Compatibility: Bluetooth Transmitter perfectly works with all smartphones, iPad, iPod Touch and other Bluetooth enabled devices such as MP3,MP4 Player.