Features: Suitable for Mouse 1/2/3, ergonomically to provide comfortable hand support and relaxation, reducing hand fatigue. The base mouse hand rest ergonomic shape that perfectly in your hand and provides stable support. Easy to install, you can adjust the angle and height at any time to meet your needs. Suitable for people who use the mouse for long time, such as programmers, designers, editors and so on. Especially suitable for users with hand fatigue or wrist problems. Specifications: Size：about 79.6x19.8x12.6mm/3.13x0.78x0.5in Color: Black/White For Mouse 1/2/3 Ergonomic Mouse Base Package Includes: 1PC Mouse Base note: Due to the problems of lighting effect there will be certain tolerances in the product, please understand. Please allow 0-2mm error due to manual measurement. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.