Sold as 1 Each. Supports 1920 x 1080, 1280 x 720, 960 x 720, 800 x 600, 640 x 480, 320 x 240 resolution. With a built-in digital microphone, this all-in-one webcam minimizes the need for additional mic cables or equipment. Simple plug-n-play through USB 2.0 makes this webcam a quick and easy option over other video options. Compatibility: Windows 10/8/7/XP SP3, Chrome OS, macOS, Linux.