LOGITECH K400 PLUS WIRELESS TOUCH KEYBOARD | ARB -‎ 920-007153

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

Typing noise
Within 55 dBA for all keys