... 3.Buit in high capacity li-battery 4.Fast delivery time:20-25day Hot Model of ... Applicable for PC,DVD,Mp3,iPod,PSP,cell phone etc,and other audio output device5 ... 3W5Frequency response: 90Hz-20KHz6Sensitivity: 80db±2db7Distortion: ≤0.3% 8Battery: rechargeable and replaceable lithium battery9Input Power : ... PC,DVD,PSP,cell phone,Mp3,vedio game,ipod,etc.11Audio connectors: 3.5mm stereo regular ...