Material: Plastic Color: As shown Size: 140*20*15mm Cellular carrier frequency: 2402MHz-2480MHz Wireless working channels: 16, automatic frequency hopping Rated working voltage: 3V Rated working current: 15mA Power supply mode: 1 AAA battery (not included) Transmission distance: 10 meters Three-level CPI adjustment: 800/1200/1600 Miniature wireless receiver supports Windows 7/8/10, Android, Linux, Mac operating systems. Package Contents: 1 * Mouse Pen, 1 * USB Receiver 2-in-1 design: Ergonomic mouse can also be used as a presenter, allowing free manipulation of mouse pointer and PPT without staying in front of the computer. Multi-functional: Suitable for surfing the Internet, browsing websites, PowerPoint presentations, business meetings, and free work. Easy to use: Simply insert batteries into the pen mouse and connect the USB receiver to your computer. Features sleep mode when battery is low.