Dell
کیبورد Logitech K400
Dimensions
Overall
- Height: ۵.۵۱ in (139.9 mm)
- Width: ۱۳.۹۵ in (354.3 mm)
- Depth: ۰.۹۳ in (23.5 mm)
- Weight: ۱۳.۷۶ oz (390 g) (with batteries)
Touchpad
- Height: ۲.۹۹ in (76 mm)
- Width: ۱.۸۵ in (47 mm)
Technical Specifications
Connection Type
- Logitech Unifying protocol (2.4 GHz)
- Wireless range: >33 ft / 10m wireless range ۱
Optional software
- Logitech Options
Battery
- Battery: ۲ x AA (included)
- Battery: ۱۸ months ۲
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: ۶۰% post-consumer recycled material ۳
