Description Special Feature:Ergonomic, Wrist Rest Number of Keys:19 Wireless range:10 m (33-ft) wireless range Improved Typing Posture: Type more naturally
Description Special Feature:Wireless Movement Detection Technology:Trackball Smooth thumb control, precise tracking: Great cursor control on any surface. Adjust the cursor
Description Key Features Illuminated Buttons & Backlit LCD Dual-Spring Centering Mechanism Progressive, Adjustable Throttle 3D Twist Rudder Control Logitech G