Material: plastic Color: blue 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: battery 1 AAA battery ( (without battery) Specifications: 2.4G wireless mouse, transmission distance 10 meters Three-level CPI adjustment: 800\/1200\/1600 The miniature wireless receiver supports Windows 7\8\10\, Android, Linux, Mac operating systems. Package Contents: 1 * Mouse Pen 1 * USB Receiver Wireless Pen Mouse + Presenter: With 2-in-1 design, the ergonomic mouse can also be used as a presenter. With a mouse, you can freely manipulate the mouse pointer and PPT without having to stay in front of the computer or laptop all the time. MULTI-FUNCTIONAL: Notebook mice offer different functions than traditional wireless mice. With a wireless PC mouse, you can surf the Internet, browse websites, talk in PowerPoint, hold business meetings, and work freely. EASY TO USE AND ENERGY ENERGY: Simply insert the batteries into the pen mouse, then connect the USB receiver to your computer. The computer mouse pen is powered by one AAA battery (not included). When the battery is low, you can switch to sleep mode. Compatible operating systems: Windows 7\8\10\Vista\ XP\ 2000, Android, Linux, Mac OS. Ergonomic design prevents shoulder, forearm, arm and forearm muscle pain.