Features:1. Fast and smart charger: this Bluetooth car charger comes with 5V / 2.5a USB output. It is able to charge devices quickly. The output will be automatically adjusted depending on the device you have.2. Music player and FM transmitter: The car's FM transmitter can play music on your phone via FM radio or Aux-in port Supports MP3, WMA, WAV and FLV. With TF card slot and USB port, you can also play and stream music files from TF card or USB drive.3. Hands-free calls: simply pair this car transmitter with your phone. You can answer / reject / end calls easily. The hands-free function allows you to drive safely.4. Great compatibility: Compatible with all bluetooth devices, such as For iPhone,For Ipad, For Samsung, For LG HTC phones tablets etc.5. Noise reduction technology: with CVC technology, this FM car transmitter gives you a clear phone call and allows you to enjoy beautiful music. It also supports A2DP (Advanced Audio Distribution Profile).Specification:Material:PlasticNominal operating voltage: 12V-24VColor: Silver/Gold/Black OptionalQuantity: 1PCUSB output: 5V / 2.5ACompatible format: MP3 WPA FLV WAVBluetooth version: 2.1 + EDRBluetooth sound processing: A2DP (Advanced Audio Distribution Profile) support functionBluetooth transmission distance: 10 MEffective Bluetooth microphone distance: 0-2MFM range: 87.5-108 MHzFM mode: Stereo digital PLL frequency lockPackage include:1*Car MP3 Player