Panasonic  5.8 Ghz Silver Cordless Phone (KX-TGA600S) For use with base unit models KX-TG6021M, KX-TG6022B, KX-TG6051M, KX-TG6052B, KX-TG6053S, KX-TG6071B, KX-TG6072B, KX-TG6073S, KX-TG6074B only 2.5 mm Headset jack Flash/redial/pause/mute Speakerphone 3-Line backlit LCD