GE DECT 6.0 cell fusion accessory handset-For use with the GE-28122 or 28128 series-System expands up to 7 handsets total-Caller ID, call waiting caller ID-3-Line backlit LCD on handset-Handset speakerphone-Melody ringtones, VIP ringtones-Do not disturb function-Mute/flash/redial-Interference free-Bluetooth technology capable-Room monitor-Download phonebook, calendar, ringtones-Push to talk intercom-3 Way conferencing-Visual ring indicator-Volume control-2.5mm Headset jack-Hearing aid compatible-1 Year limited manufacturers warranty-Silver with black trim-GE28101EE1