The elegant M65 fulfils all requirements of a modern DECT phone, DECT-Telefon, designed for use with the M700 or M300 IP DECT base stations, Back-lit colour LCD with 176 x 220 pixels up to 250 hours standby time, up to 18 hours talk time Speakerphone, Range of up to 50 m HD audio quality (CAT-iq-1.0-compliant)