Kensington K75233EU. Wireless receiver interface: USB, Wireless technology: RF, Frequency band: 2.4 GHz. Product color: Black, Presenter functions: Laser pointer, Remote control, Material: Acrylonitrile butadiene styrene (ABS). Battery technology: Alkaline, Battery type: AAA. Windows operating systems supported: Windows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10..., Mac operating systems supported: Mac OS X 10.12 Sierra, Mac OS X 10.13 High Sierra, Mac OS X 10.14 Mojave, Mac OS X 10.15 Catalina, Compatible operating systems: macOS 10.13 or above; Windows 8.1; macOS 10.12 or above; macOS X 10.11; Windows 10; Windows 7. Width: 1.56" (39.6 mm), Depth: 1.67" (42.4 mm), Height: 4.37" (111 mm)

• - Wireless presentation remote with Laser-free Digital Pointer will not wash out on TV displays or bright LED screens and is ideal for environments where laser pointers are not feasible
• - Virtual Pointer Technology allows pointer to be viewed on a variety of presentation screens simultaneously including traditional projection screens, TV displays, bright LED screens, and smart boards – ideal for conference rooms and auditoriums with multiple screens
• - Online Meeting Compatibility allows remote participants to see the pointer onscreen when using web meeting tools like WebEx®, GoToMeeting®, Skype™, and join.me®
• - KensingtonWorks™ Software enables customization of pointer size, shape and speed to suit your presentation style
• - Ergonomist Approved Design features a contoured shape to minimize wrist twist and maximize comfort with an intuitive 4-button layout
• - 2.4GHz Receiver with MicroSD Card provides up to 20 meters (65ft) of wireless range, expandability to 32GB of memory, and a plug & play user experience. Actual wireless range may vary with users’ configuration and environmental conditions