Bluetooth FM Transmitter, Wireless In-Car FM Adapter Car Kit with USB Car Charging for iPhone, Samsung, LG, HTC, Nexus, Motorola, Sony Android Smartphone (silver) THE ADVANTAGE: A new Bluetooth MP3 Player FM Transmitter Hands-free Car Kit Charger, which support USB driver and TF card. It can automatically play and transmit the MP3 files of USB driver and TF card after matched with your radio by the frequency. EXCELLENT HI-FI STEREO SOUND QUALITY: Bluetooth sound processing:A2DP.High-performance built-in microphone with Echo cancellation and noise suppression (CVC) technology which can offer your clear talking and wonderful music. QUICK CHARGE: 5V/2.5A USB car charger can charges your favorite mobile devices fast, and it can automatically adjust the output power to different smart phone. HANDS-FREE CALLING: Simply paired your phone with the Bluetooth FM Transmitter and its hands-free system can set free your hands during answer the calls and let you safely drive. POPULAR COMPATIBLE MODELS: Universal design for all types of devices! You can use it as an Apple iPhone 4 4s 5 5s 5c 6 plus, a Samsung galaxy s3 s4 s5 s6 edge+ Hands-Free Calling and Car Charger, or for charging iPads, other smartphones and tablets, GPS units, iPods, MP3 players and more.