Model: MINI Bluetooth function Key number: 72keys Operating system: WINDOWS 98SE or above. Voice touch part

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)