Application: *Teaching ,training ,meeting ,presentation ,lecturing ,HTPC *Skype,,GoogleTalk ,QQchat ,MSN chat
*the younger people who like to download Music and songs for karaoke
Features and specifications:
*2.4G radio transceiver
*Backlit for operation in darken room
*Plug and play
*Multi touch and scroll bar
*portable size:85*135*10mm
*Battery Capaciry :400mA
*Charge voltage:5V/300mA
*Standby time:400hours
2.4G wireless audio(speaker+mirophone)