Near-frictionless scroll wheel Selectable mouse cursor speed Fast and accurate positioning when you are using it Easy to install, plug and play System supported:windows 2000/XP/Vista/ Windows 7/ Windows 8/Windows 10/linux/mac 2.4GHz USB handheld wireless mouse pointer using optical trace ball laser beam Feature : 100% brand new and high quality Quantity:1pcs Color: Black Wireless laser mouse with light pen, ergonomic design, comfortable, without support for desktop, grip in the hands of rolling the trackball to move the cursor, right hand general, with a light pen (red light) for presentations. USB interface, plug and play Compatible with all of the operating system windows and Linux, Unix, Mac systems, etc. Resolution: 1000DPI The effective distance of 10 meters 2.4GHz interference free design Rechargeable lithium battery Product size: 11cm * 6cm * 5cm; Package includes: 1 x track ball mouse(with retail package) 1 x USB receiver Brand Not Specified SKU 100584850_NP-1020996284 Model CJX60808845