TNP Bluetooth FM Transmitter Wireless In-Car Radio AUX + USB Car Charger Adapter Kit with Display, Hands-free Calling For Android, Smartphones, Tablets, iPhone, iPad, TF Card, MP3/MP4 Audio Players High-performance built-in microphone which can offer your hands-free talking and wonderful music. The Wireless FM Transmitter supports frequency range from 87.5 to 108 Mhz while via steady signal Thanks to CVC Noise-Canceling Technology, achieve the superior stereo music lossless transfer to your car speaker; Support mobile's A2DP function. Music will be played directly while the mobile phone is connected The FM transmitter need to plug in the car cigarette lighter, it is designed for solve the problem of those cars without AUX connection port. Its wireless design avoids the trouble of wire intertwist and makes your car more concise and beauty. Amazing 1.44inch LED display can show current voltage of the storage battery of your car, also show the name of songs or caller ID With an universal USB charging port (Output: 5V/2.1A) for charging your mobile phones or other portable devices. Such as iPhone 6 6S Plus 5 5S, Samsung Galaxy S5 S6 Edge Note 4 5, LG G5 G4, HTC, Sony, Motorola, Power Bank & More The Bluetooth FM Transmitter can paired with androids, martphones, iPhone, Samsung, HTC, LG, Blackberry, Tablet, iPad,iPod and more, by means of Bluetooth connection; Working with TF card or MP3/MP4 players via AUX port (support MP3/WMA/FLAC format)