1 perfect quality,prefect stereo sound 2 Can play for MP3/4,USB,phone,SD,DVD 3 Material light,protable 4 aluminum alloy Product Feature:1 Portable and light,make in aluminum alloy2 Play for MP3/4,USB,SD,ipod,ipone3 You can carry out of anywhere4 Best after serivce5 With remose control Detailpower input:5V/1000mAout put:RNS 6Wcetificate:CE FCCchannel:2SNR:>80dblive in:3.5mmfrequency:150- ...