JAHT Internet / Landline Dual-mode Speakerphone with Caller ID 2 in 1 Speakerphone: handle Skype and conventional phone calls in single device Support SkypeOut, SkypeIn, and Skype Voicemail Caller ID / call waiting for both types of calls, 30 name/number memory 60 name/number phone directory for Skype and 10 for landline phone Compatible with Windows XP/2000/2003, USB and battery powered