Mouse Size: 71x131x41mm/2.8 inch x 5.1 inch x 1.6 inch Interface: USB Working voltage: 5V 100mA Support systems: Windows XP / Vista 7/8/10 / OSX Features: Ergonomic hybrid shape; Ultra-precise scroll wheel el: T6 Size: 445x135x4mm/17.5 inch x 5.3 inch x 0.15 inch Buttons: 104 Interface: USB 1.1/2.0 Features: One-key to turn on/off the colorful lights; Waterproof design, easily clean; Durable use, fade-less color of the key cap Material:ABS colour:black Package Contents: 1 * keyboard 1 * mouseOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.