This product uses in the world most advanced touching induction-type pressed key and in sets at the highly effectiye lithium battery,welcome you the use! 1.Opening machine:Inserts according to the function schematic drawing the earphone plug to the connection place correspondence jack then automatically opening machine broadcast.(Note:Each timeopening machine circulation this operation). 2.Volume Canada:Long touches the VOL+key. 3.The volume reduces:Long touches the VOL-key. 4.Previs tune:Touches the BACK key. 5.Next tune:Touches the NEXT key. 6.Closing machine: 1).tears off the earphone plug then closing machine. 2).after long touches VOL-key to move the volume is smallest, andsoon to wait on 60. 7.Songs down loading:Shows according to the schematic drawing in themain engine USB plug inserts to USB transfers on the wiringcont inually computer then to download. 8.Charges:Redundant step 7,transfers USB the wiring the Pcplug company to Support music form:MP3/WMA/WAV Broadcast time:5 hours Outlook size:43*15*8mm