Mactrem Rapoo 8900P 5.8GHz Wireless 4.0mm Ultra-Slim Blade Keyboard With Laser Mouse Combo This ultra-thin keyboard received the IF Award, one of the three major international industrial design awards. The key lights turn on when your fingers approach the touch area, and turn off when they leave. You can have full control, even in the dark. The multimedia keys provide tactile feedback vibration. Touch it and feel it. The keyboard is even thinner than other Blade Series products. Only 4.0 mm thin. The stainless steel base, accurate scissor key structure and floating chiclet buttons make the keyboard durable, fashionable and reliable.