iiyama ProLite XUB2893UHSU B5 71.1 cm (28") 3840 x 2160 pixels 4K UHD LED Monitor 6 Display Watch glass type Sapphire Display Watch glass type Sapphire Rounded display corners Yes Always on display Yes Pixel density 1000 ppi Display technology OLED Touchscreen Yes Display type Digital Performance Wireless chipset W3 64 bit computing Yes Processor cores 2 Processor model S7 Processor manufacturer Apple Flash memory 32 GB Operating system installed watchOS 8 Mobile operating systems supported iOS FM radio No Built in camera No Built in speaker(s) Yes Built in microphone Yes Design Waterproof up to 50 m Protection features Waterproof International Protection (IP) code IP6X Removable strap Yes Magnetic charging connector Yes Shape Rectangular Band colour Bordeaux Watch case material Stainless steel Watch case colour Gold Watch case size 41 mm Market positioning Smartwatch Features Altimeter Yes Ambient light sensor Yes E mail Yes Virtual assistant Apple Siri Haptic feedback Yes Electronic compass Yes SOS alert function Yes Short Message Service (SMS) Yes Activity tracker Yes Gyroscope Yes Accelerometer Yes Blood oxygen sensor Yes Heart rate sensor type Electrical giving you the performance boost you need to get more FPS 1 cm (28") Performance Low Blue Light technology Yes Flicker free technology Yes Multimedia RMS rated power 4 W Number of speakers 2 Built in speaker(s) Yes Design Product colour Black Market positioning Business Ports & interfaces DisplayPorts quantity 1 HDMI ports quantity 1 HDMI Yes Built in USB hub Yes Ergonomics Number of OSD languages 9 On Screen Display (OSD) languages Czech Display NTSC coverage (typical) 85% sRGB coverage (typical) 100% Colour depth 8 bit Display diagonal (metric) 71 cm Viewable size diagonal 34