Features: * Built-in Bluetooth & Inner Microphone For Hands-free Callings & Music Player In Car * Support All Bluetooth Devices Music Player + USB Plug & Play * Free Steering Wheel Control + Remote Control + User Manual + Audio cable * 3.5mm Auxiliary Input Jack -- Support All Audio Sources * USB Charger Capability For Universal Smartphones Such as: iPhone 5/5s/6/6s/Plus, Samsung Galaxy/Note 5,LG HTC...etc. * Powered By Car Cigarette Lighter Mini Portable & Rotatable Car Kit MP3 Player * Please Adjust Your Car Radio Frequency as the Same With This FM Transmitter frequency To Get Voice ! * Remote features : Answer/End calls, Folder Shift, Play/Pause, Fast Forward & Rewind, Frequency Up/Down, Shuffle/Repeat/Normal, Bookmark * Simple plug & play - Bluetooth Ver. 2.1+EDR - Hands-free, AVRCP 1.3, A2DP - Reads MP3 & WMA files Specifications: FM frequency distance:88.1~107.9MHz Transmitting distance:5m SNR:68dB Degree of distortion:60dB Bluetooth version:V3.0 Support bluetooth protocol:HFP/HSP,A2DP/AVRCP Working voltage:DC 9~26V Power supply: