Broad Compatibility: universal design for all types of devices! Working as Hands-Free Calling and Car Charger for any devices with USB or Bluetooth including iPhone, Samsung, HTC, LG, Blackberry, Sony, Tablet, iPad, Other bluetooth enabled device ; Support micro SD memory card or MP3/MP4 players via AUX port to play. | Faster Charging: universal 3 Port USB Car Charger, can simultaneously charges any 3 tablet or smartphone devices at full speed with 2 high-speed 5V/2.1A USB ports and 1 high-speed 5V/1A USB port, better charging performance. | Bluetooth FM Transmitter: A car MP3 player with Bluetooth car kit, which can transmit audio /music from TF card and cell phones to car FM stereo system; Support A2DP and advanced interference technology to provide most crystal sound quality. Special EQ function-- Normal, ROCK, POP, CLASSIC, Country, JAZZ, DBB. | Convenience And Enjoy: Supports hands-free phone conversation through the car stereo with Call Echo Cancellation safe driving, CVC Technology creates full duplex sound, Noise and wind will be suppressed. | 2 YEARS REPLACEMENT GUARANTEE- 24 hours online Customer Service, you are very welcome to contact us for any questions! CLICK "Add to Cart" to START a wonderful Life!