Feature: 1.bluetooth FM transmitter: the phone, U disk, TF card, MP3 inside the music sent to the car audio player 2.Car Charging: You can charge smart phone through USB interface. 3.bluetooth hands-free car: cell phone bluetooth hands-free calls through a key. 4.Car USB: USB disk can read through the USB interface, or card slot to read TF card 5.High-fidelity stereo, using DIGITAL, PLL phase-locked loop technology 6.LCD display frequency, choose more convenient; 7.All-point launch (up to 200 frequencies can choose) 8.With power-off memory, can store the current frequency of play 9.Direct keys, play / pause, the previous song / next song Specification: USB output 5V / 2.5A Model S7 Color Gold, Silver, Black Apply to MP4,MP3,iPhone,Laptop Computers,Phones,Digital Cameras,Other AC and USB Appliances,iPhone 4/4s//iPad 2/The Nwe iPad,iPhone 4/4s/iPad 2/ Talk time up to 4 hours Standby time up to 160 hours Material ABS Charging time about 2 hours Size 9.8x9x3cm Support headset, handsfree, bluetooth audio transmission, charging, support LED display Function answer / reject, power saving, volume adjustment, noise reduction Package Included: 1 X Car Charger 1 X Audio Cable ( 0.5m ) 1 X English User Manual