ITEM NAME:Bluetooth FM Transmitter Charger, Wireless Radio Transmitter Car Kit Adapte C3Q3 Bluetooth FM Transmitter Charger, Wireless Radio Transmitter Car Kit Adapte C3Q3 Dual USB Ports Car Charger Coming with 2 USB ports, you can charge two devices simultaneously. One is 5V-2.4A charging port, the other one with music icon is for reading USB disk or charging device. 3 Music Modes & Hands-Free Calling With FM transmitter, you could enjoy your music via 3 methods: Bluetooth, TF card or USB flash disk. One-Click to answer calls clearly with microphone via the CVC noise cancellation technology; Seamlessly switches between incoming calls and music. Easy and Seconds Pairing Just plug this transmitter into the car cigarette lighter, tune your car radio to any empty frequency and adjust your transmitter to the same frequency as the car radio, then it could be automatically searched and connected to your Android device next time via A2DP function, if the device had been connected before. Car Battery Voltage Display The FM transmitter will display car voltage once it is plugged into the car cigarette lighter. Enable you to know your car battery state easily. Wide Compatibility This Bluetooth transmitter is well compatible with iPhone, iPad, Samsung, HTC, Blackberry, Sony, Tablet and other Bluetooth enabled devices such as MP3, MP4 Player. Also, with the wider range from 87.5MHz - 108 MHz, you can get more stable and consequent music experience without interference. Color: black + silver. Material: PC There are two USB charging ports on the FM transmitter, one is 5V/1A, the other one is 5V/2.4A. You can charge your phone or other USB devices simultaneously. Bluetooth Mode Via Bluetooth function, you can get a strong, stable connection for your music or hands-free calling. TF Card Mode ( less than equal 32GB) Support TF/Micro SD memory card in FAT format up to 32G. USB Mode ( less than equal 32GB) Plug a USB flash drive into the port with music icon to play your downloaded mu