periduo 505 Keyboard Layout:French 4 GHz technology with plug

4 GHz technology with plug and play Nano receiver

please remove it and rub the trackball for 15 to 30 seconds

15 lb) to help reduce wrist and forearm strain during long hours of desktop works

Specifically-designed for medium to large hand-size

The illumination is adjustable across four brightness levels

periduo 505 Keyboard Layout:French 4 GHz technology with plugAll In One Compact Combo Value kit designed specifically to reduce the pressure from your hands and shoulders, to ease your wrist pain while using and to give you the benefit to type effortlessly and relaxed Ergonomic Split 3D Curved Keyboard Durable wave and curved full size keyboard design with 12 multimedia and hotkey functions and an additional 4 way tilt scrolling wheel in the middle; a One piece design that simply separates the keys into two