[3-Level Adjustable Touch Light] Built-in ring light provides 3 different levels of lighting compensation, controlled by touch, without the need to enter software Settings. You can adjust the ring lamp in dim light environment to achieve the ideal brightness conditions. [Auto-focus and 2X zoom] Real-time autofocus lets you get rid of the tedious process of manual focus and allows the webcam to capture more detail. The 2X zoom adjustment design of 5 levels provides you with more choices of visual field. [MJGP, YUY2 encoding compression] MJGP, YUY2 encoding compression takes up less disk space, has unmatched picture quality, achieve faster transmission speed and more stable video performance. [Built-in microphone and 72 wide Angle] Built-in 2 stereo noise reduction microphones help filter background noise and pick up sound clearly and naturally. The 72-degree wide field of view is ideal for video chats and live games. [Plug and play, extensive compatibility] no driver/software