Dimensions

• K400 Plus Keyboard
  • Height: 5.51 in (139.9 mm)
  • Width: 13.95 in (354.3 mm)
  • Depth: 0.93 in (23.5 mm)
  • Weight: 13.76 oz (390 g)
• Touchpad
  • Height: 2.99 in (76 mm)
  • Width: 1.85 in (47 mm)

Technical Specifications

• Connection Type
  • Logitech Unifying protocol (2.4 GHz)
  • Wireless range: >33 ft / 10m wireless range 
    ^?
• Optional software
  Logitech Options
• Battery
  • Battery: 2 x AA (included)
  • Battery: 18 months 
    ^?
• Special Keys
  • Mute, Volume Down, Volume Up
  • Connect/Power: On/Off Switch
• Key Life
  Up to 5 million keystrokes
• Typing noise
  Within 55 dBA for all keys

System Requirements

• Computers, phones, and tablets that support external keyboards.
• Windows 10, 11 or later
• Android 7 or later
• ChromeOS™
• USB connection: Available USB port required.