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2. Photovoltaic keyboard - Wikipedia

   en.wikipedia.org/wiki/Photovoltaic_keyboard

   A photovoltaic keyboard, or solar keyboard, [1][2] is a wireless computer keyboard that charges its batteries from a light source such as the sun or interior lighting, addressing a major drawback of wireless computer peripherals that otherwise require regular replacement of discharged batteries. [citation needed] One such device is the Logitech ...

3. Wireless keyboard - Wikipedia

   en.wikipedia.org/wiki/Wireless_keyboard

   A wireless keyboard is a computer keyboard that allows the user to communicate with computers, tablets, or laptops with the help of radio frequency (RF), such as WiFi and Bluetooth or with infrared (IR) technology. Wireless keyboards in the current market are commonly accompanied by a wireless mouse. Wireless keyboards based on infrared ...

4. Magic Keyboard (Mac) - Wikipedia

   en.wikipedia.org/wiki/Magic_Keyboard_(Mac)

   A2520 Magic Keyboard with Touch ID and Numeric Keypad: 109 keys [8] May 2021: Bundled with M1 iMac in any of seven colors: silver, pink, blue, green, purple, orange, or yellow August 2021: Standalone (MK2C3LL/A: Silver with white keys $179 EMC 3957)

5. Computer keyboard - Wikipedia

   en.wikipedia.org/wiki/Computer_keyboard

   Typing on a laptop keyboard. A computer keyboard is a peripheral input device modeled after the typewriter keyboard [1][2] which uses an arrangement of buttons or keys to act as mechanical levers or electronic switches. Replacing early punched cards and paper tape technology, interaction via teleprinter -style keyboards have been the main input ...

6. List of mechanical keyboards - Wikipedia

   en.wikipedia.org/wiki/List_of_mechanical_keyboards

   List of mechanical keyboards. Mechanical keyboards (or mechanical-switch keyboards) are computer keyboards which have an individual switch for each key. The following table is a compilation list of mechanical keyboard models, brands, and series:

7. Microsoft ergonomic keyboards - Wikipedia

   en.wikipedia.org/wiki/Microsoft_ergonomic_keyboards

   In general, ergonomic keyboards are designed to keep the user's arms and wrists in a near-neutral position, which means the slant angle (the lateral rotation angle for the keys in each half relative to the axis of the home row in a conventional keyboard) is approximately 10 to 12.5°, the slope (the angle of the keytop surfaces starting from the front edge closer to the user towards the top of ...