Features: _x000D_ Made of high quality plastic, not easy to age, durable and reliability, with long serving life. _x000D_ Low cost real trackball works with any PC application. _x000D_ Can be used on a PC as a mouse or connected to your game console. _x000D_ _x000D_ This LED trackball mouse features with smoothly trackball rolling action. _x000D_ This trackball mouse size is unified in the game console, which can satisfy the design of various game console. _x000D_ _x000D_ _x000D_ Specifications: _x000D_ Material: plastic, metal _x000D_ Mouse size: approx.10 x 10 x 4cm/3.94 x 3.94 x 1.57inch _x000D_ Diameter of track ball: approx. 4.5 cm/1.77inch _x000D_ Network interface: wire _x000D_ Connection method: wire _x000D_ _x000D_ _x000D_ Package Included: _x000D_ 1 x LED trackball mouse _x000D_ 4 x Screws _x000D_ _x000D_ _x000D_ Note:_x000D_ _x000D_ 1. It doesn't support for Windows 10 system for the PC_x000D_ 2. The product you received can be installed by yourself._x000D_ _x000D_ 3. Due to manual measurement, please allow 1-3cm error, please make sure you don't mind before ordering. _x000D_ 4. Due to different monitor, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard._x000D_ 5. Please note that the type and old type of this product will be sent randomly, and make sure you will not mind before ordering. 1Made of high quality plastic, not easy to age, durable and reliability, with long serving life 2Low cost real trackball works with any PC application 3Can be used on a PC as a mouse or connected to your game console 4This LED trackball mouse features with smoothly trackball rolling action 5This trackball mouse size is unified in the game console, which can satisfy the design of various game console