This phone is also WiFi and Bluetooth friendly, thus will not interfere with other wireless devices in the household. A graphic, color LCD display offers easy navigation of menus and personalization of the handset's wallpaper and color scheme, and individual handsets can be customized with a choice of unique melody ring tones. The GE 28300EE1 is expandable up to 6 handsets (with the use of only one phone jack) and is also Skype Certified. The Skype Certified Telephone System allows the user to use Skype (a program for making free calls over the internet) with the comfort and convenience of a home phone. Additional features include Call Waiting and Caller ID, hearing aid compatibility, headset jack, handset speakerphone, and Line In Use indicator. This phone comes with a 1 Year limited warranty.