GE Cordless 5.8 GHz Edge 25901EE1 Accessory Handset for 25931, 25951 and 25991 Series Expandable Phone Systems Accessory handset for GE 25931, 25951 and 25991 series expandable phone systems Call-Waiting Caller ID with 40 name and number memory Handset speakerphone provides convenient hands-free communication 10 number speed dial memory Headset jack, flash function, mute button