Yealink W56H is exceptional handsfree talking 2.4" 240 x 320 color screen with intuitive user interface. Headset connection via 3.5 mm jack Up to 30 hours talk time Up to 400 hours standby time. Elegant keypad design with illumination and keypad lock Yealink W56H. Intuitive user interface with icons and soft keys Caller ID with name and number Notification Light: voice mail and missed call is signaled via display and illuminated power indicator Date & time.