Zebra HD4000, wearable Display Glasses Hands-free operation, USB - Passive data collection device (head-mounted display), eye box: 7.5 mm x 9 mm, 640x400 pixels, weight: 30 g (w/o connection cable), 9-axis integrated sensor, USB 2.0, IP67, host device connectivity: Android (5.0 and higher) and Windows 10, order separately: host handheld device