SUPPORT HD VIDEO CALLING- Supported by 12.0M pixels, 640 * 480 high definition with automatic white balance and color adjustment functions. Like DSLR camera design, rotating the lens knob to adjust the clarity of the video easily. . NOISE REDUCTION CHIP- Built-in noise reduction directional microphone, effectly reduced enviromental noise. new chip integration to fully synchronize sound and image. Bringing you clear online conversation, meeting or online class. . 360 DEGREE ROTATION- With movable joint, the webcam can be adjusted 360 degrees in all directions. The clip mounts at different angles can bring your friends and family all the details around you. . EASY TO USE- USB 2.0 Interface, no need to install any driver. Just plug it to your computer or laptop and run it immediately. Attaches the webcam securely to your laptop screen or put oit n desk or shelf to use. Elderly and children can easily use. . WIDE COMPATIBILITY- Design for laptop and desktop computer. Compatible with mainstream operating systems on the market such as Windows XP, Windows 7, MAC, VISTA or Linux. Support Skype, online meeting, online class, video call and live streaming etc. .