This is a improved new type USB phone,despite of its shape looks like any other products on the market,the software and the inner hardware has been rebuilt in order to promote its characterics,more steady and more convenient for using: 1. compatible with USB 1.1 and 2.0. 2. 16 bit sound card inside, the PC can without Sound Card; 3. No driver needed for Win98 SE/Win ME/ Win 2000/Win XP/ Mac OS/Mac OS X 4. Clear voice quality 5. Built-in DTMF dialing 6. Incoming call ringing, easy for answering 7. The powered via the USB port with not need for a power adaptor. 8. Compact appearance design suitable for notebook 9. Applicable for wide and compatible multi calling platforms(e.g.Skype, QQ, VoipButser, VoipStunt, VoipCheap, VoipDiscount, SparVoip, Internetcalls, Poivy, FreeCall, VoipCheapCom, WebCallDirect and NetAppel., and etc.) and can worked as earphone & Mic for any voice software (e.g. MSN,...) 10. Choosing proper platform to communicate between two USB IP phones, it can realize conversation free of charge on the earth. 11. Review incoming and outgoing call on LCM display. 12. Can be used for PC to PC and PC to Phone. 13. Can check online status and details of the list persons by panel keys and LCM. 14. If the Software supports, it can display the balance. 15. The LCM displays the information of dialing. 16.The usb phone is with a control software for setting. 17.Many functions could be set by panel keys or by control software. 18.Multi language(English,Japanese,Korean,Chinese Simply,Chinese Traditional,etc.) for selection(both the LCM display and the control software ). 19.with several rings for choosing 20.Volume can be adjusted or muted while dialing 21.LCM backlight, the backlight can be adjusted by panel key. 22.Operation is similiar to traditional mobile phone.