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