Elaboration： USB Phone XSL-230W 　 1.PnP USB interface, 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 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. 12.Can use for PC to PC and PC to Phone. 13.Supports Skype etc software. 14.If the Software supports, it can display the balance. 15.The LCD can display Year, Month, Day and Time Specification：40PCS / case The remarks explaining：This 95% product export , sell well Japan, Korea S., Europe state, Brazil, North America,etc. Currency: USD Unit Price: 15 Quantity: 1 Delivery: