... good Li-ion battery,easy to carry4.Applicable for PC,DVD,Mp3,iPod,PSP,cell phone etc,and other audio output ... battery9Input Power : USB power 5V and lithium battery10Applicable for : PC,DVD,PSP,cell phone,Mp3,vedio game,ipod,etc.11Audio connectors ... audio cable13Funtion: USB/TF Card Read ,Digital FM Tuner,lyrics LCD display14Color optional: optional15Delivery time: within 20 working days after receiving ...