The most creative design: Mouse with VoIP Phone Features 1. SKYPE phone function,to insert it in the computer and you can give a phone via skype any time. 2. USB audio function,you can replace the sound box to play the music freely. 3. High sensitive photoelectric mouse function. 4. Apply to QQ,Yahoo messenger and MSN meandering software. Mouse function size:105mm x 55mm x 28mm 1.5m USB cable 800 dpi optical sensor Phone function 1.128*64 pixel multi-language-supported LCD screen with backlight 2.Hands-free spearkerphone feature 3. Various chord music ring tones 4. Support Skype, VoipBuster, VoipStunt, VoIPCheap, VoipDiscount, SparVoip, Internetcalls, poivY, WebCallDirect, VoipCheapCom, FreeCall and NetAppel etc. Sound box function 1.Crystal Clear Voice quality 2.16 bit 48KHz sampling rate 3.Supplied earphone to protect your privacy 4.Volume increase/decrease,to control volume freely. For price information , please contact with Ms. Nora