Keyboard K400 Plus Wireless Touch Keyboard

Dimensions
Overall
Height: 139.9 mm
Width: 354.3 mm
Depth: 23.5 mm
Weight: 390 g (with batteries)
Touchpad
Height: 76 mm
Width: 47 mm
Technical Specifications
Connection Type
Logitech Unifying protocol (2.4 GHz)
Wireless range: >10 m wireless range 1Wireless range may vary due to environmental and computing conditions.
Optional software
Logitech Options
Battery
Battery: 2 x AA (included)
Battery: 18 months 2Battery life may vary based on user and computing
Special Keys
Mute, Volume Down, Volume Up
Connect/Power: On/Off Switch
Key Life
Up to 5 million keystrokes