Perixx PERIDUO-813 is a wireless ergonomic keyboard bundle together with the vertical mouse. The split and curved design keyboard help you type in a natural and relaxed position and the vertical mouse can let you keep an upright hand posture to avoid possible long repetitive strain injuries to the arm. The ideal combo is a good solution on your desktop with everyday work in the office or home. The wireless multi-device spec on both keyboard and mouse can create flexibility for daily use with your PC, laptop, tablet, or smartphone.