* Technical Information Connectivity Technology* Wireless Wireless Technology* Radio Frequency Operating Distance* 40 ft (Remote Control) Localization* English (US) * Interfaces/Ports Interfaces/Ports* 1 x 4-pin Type A USB * Battery Information Batteries* 1 x Lithium * Physical Characteristics Color* Black * Silver Shipping Dimensions* 2.75" Height x 6.75" Width x 8.75" Depth Shipping Weight* 0.42 lb * Miscellaneous Additional Information* Built-in laser pointer System Requirements Macintosh: * At least one available USB port * Mac OS 9.1 or greater * Mac OS X v10.1.3 or greater Window: * Windows 98SE/Me/2000/XP or greater