SPECIFICATION : Overall dimensions Height 5.5 inch, width 14 inch, depth 1 inch. Touchpad height 3 inch, width 2 inch 10 meter (33 foot) wireless range: Ensures trouble free connection in the largest room (Wireless range may vary depending on operating environment and computer setup) Familiar, media friendly key layout: Eliminates any learning curve while adding easy access volume controls and arrow keys Plug and play design: Unifying receiver makes setup of your TV keyboard a snap Connection type: Logitech unifying protocol 2.4 GigaHertz الحالة جديد النوع أغراض أخرى