Features: 1) Fashionable and innovative design, you can enjoy Hi-Fi music at home or in your car 2) Plug in SD, MMC card, U port/MP3, or movable hard disk directly 3) Portable DVD and VCD reader, can read any USB devices 4) Supports files downloading and reading function 5) Built-in wireless FM stereo transmission 6) Resumes playback the last frequency and track number even if it is restarted 7) LCD display, audio input and output 8) Colors: pearl white, blue pearl, pink rose, apple white 9) Dimensions: 7.4 x 4.7 x 2.9cm Specifications: 1) Voltage: 12V DC 2) Operating current: 180mA 3) FM frequency: 7 FM channels (87.7, 87.9, 88.1, 88.3, 88.5, 88.7, 88.9MHz) 4) Channel separation: 72dB 5) Audio source: USB flash disk or MP3 player 6) Transmitting distance: up to 30 meters Instructions: 1) Plug the unit into cigarette lighter jack of your car through power cord 2) Plug USB flash dick into car MP3 transmitter through U disk jack 3) Press the CH button to one 7 FM channels that do not interfere with local broadcasting stations 4) Tune the frequency of your car's stereo to the same as the unit 5) Press the play button on the FM modulator to enjoy your music Inner packing: 1pc/gift box (white/color box) N.W.: 58.5g G.W.: 278.5g Outer packing: 50pcs/ctn Carton dimensions: 55 x 36.8 x 46.5cm G.W.: 15.04kg