Dimensions: Height: 139.9 mm, Width: 354.3 mm, Depth: 23.5 mm, Weight: 390 g (with batteries), Touchpad: Height: 76 mm, Width: 47 mm, Connection: Logitech Unifying protocol (2.4 GHz), >10 m range, Software: Logitech Options, Battery: 2 x AA (included), 18 months life, Special Keys: Mute, Volume Down, Volume Up, On/Off Switch, Key Life: Up to 5 million keystrokes, Noise Level: Within 55 dBA, Sustainability: 4.9 kg CO2e carbon footprint, certified carbon neutral,
