DimensionsOverallHeight: 139.9 mmWidth: 354.3 mmDepth: 23.5 mmWeight: 390 g (with batteries)TouchpadHeight: 76 mmWidth: 47 mmTechnical SpecificationsConnection TypeLogitech Unifying protocol (2.4 GHz)Wireless range: >10 m wireless range 1Wireless range may vary due to environmental and computing conditions.Optional softwareLogitech OptionsBatteryBattery: 2 x AA (included)Battery: 18 months 2Battery life may vary based on user and computingSpecial KeysMute, Volume Down, Volume UpConnect/Power: On/Off SwitchKey LifeUp to 5 million keystrokesTyping noiseWithin 55 dBA for all keysSustainabilityProduct carbon footprint: 4.9 kg CO2eCertified carbon neutral
