The D865 is a true all-rounder - perfect for those who work intensively with their phone. The 40° continuously adjustable LC display has crystal-clear colours and blends perfectly into any office environment, regardless of lighting conditions. The HD audio voice quality featuring advanced noise reduction is simply outstanding. It is also hearing aid compatible, has integrated Bluetooth & WLAN, and furthermore, you can connect a DECT headset via dongle. The D865 is not only well designed, but also very well thought-out - no matter what the environment! Features - Colour, gunmetal black - Display size (W x H) 110 mm x 62 mm - Bluetooth Connectivity - USB-A port - Hands Free - Security (TLS & SRTP) - OpenVPN - WLAN - HD Audio - Operating system Linux