Logitech K400 Plus Black Wireless Touch Keyboard

Overall
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) (with batteries)
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 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
Typing noise
Within 55 dBA for all keys
Sustainability
Dark plastics: 60% post-consumer recycled material 3Excludes plastic in printed wiring assembly (PWA), Touch pad, FFC cable and packaging.
Product carbon footprint: 4.9 kg CO2e
Certified carbon neutral