DECT6.0 Accessory Handset- GE DECT 6.0 Accessory handset- For use with the RCA-25250RE1and RCA-25210RE1- Handset speakerphone- Caller ID call waiting caller ID- Hold/flash/redial/mute- Handset volume control- Hearing aidcompatible yes- Loudspeaker volume control-Mute- Ringer control- Selectable ringtones- Visual ringer- 2.5mm Headset jack- 2 Year manufacturer"s warranty- BlackRCAH5250RE1