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2. Wireless keyboard - Wikipedia

   en.wikipedia.org/wiki/Wireless_keyboard

   Wireless keyboards in the current market are commonly accompanied by a wireless mouse. Wireless keyboards based on infrared technology use light waves to transmit signals to other infrared-enabled devices. In case of radio frequency technology, a wireless keyboard communicates using signals which range from 27 MHz to up to 2.4 GHz.

3. Best keyboard and mouse combos in 2022 - AOL

   www.aol.com/news/best-keyboard-mouse-combos-2022...

   3. Corsair Wireless Gaming Bundle. Best wireless mouse and keyboard combo for gaming. Keyboard size: Full | Keyswitches: Rubber Dome | Connectivity: Bluetooth (up to ...

4. Projection keyboard - Wikipedia

   en.wikipedia.org/wiki/Projection_keyboard

   A sensor or camera in the projector picks up finger movements. Software converts the coordinates to identify actions or characters. [1] Some devices project a second (invisible infrared) beam above the virtual keyboard. The user's finger makes a keystroke on the virtual keyboard. This breaks the infrared beam and reflects light back to the ...

5. Dell XPS - Wikipedia

   en.wikipedia.org/wiki/Dell_XPS

   Released on November 19, 2007, the Dell XPS One is an all-in-one desktop designed for "minimal fuss and maximum cordless connectivity", and ships with the power cord, and a wireless keyboard with a touchpad and wireless mouse prepared to the system. The XPS One comes in 20-inch (XPS One 20) and 24-inch (XPS One 24) models.

6. Optical mouse - Wikipedia

   en.wikipedia.org/wiki/Optical_mouse

   An early Xerox optical mouse chip, before the development of the inverted packaging design of Williams and Cherry. The first two optical mice, first demonstrated by two independent inventors in December 1980, had different basic designs: [1] [2] [3] One of these, invented by Steve Kirsch of MIT and Mouse Systems Corporation, [4] [5] used an infrared LED and a four-quadrant infrared sensor to ...

7. Wireless - Wikipedia

   en.wikipedia.org/wiki/Wireless

   Cordless computer peripherals: the cordless mouse is a common example; wireless headphones, keyboards, and printers can also be linked to a computer via wireless using technology such as Wireless USB or Bluetooth. Cordless telephone sets: these are limited-range devices, not to be confused with cell phones.