Logitech ERGO K860 Wireless Keyboard Graphite 920-009166

General Information Type more naturally with ERGO K860 - an advanced ergonomic keyboard that promotes a more relaxed typing posture - reducing wrist bending by 25% and offering 54% more wrist support. The curved, split keyframe reduces muscle strain on your wrists and forearms. And the pillowed wrist rest offers comfort and the optimal ergonomic position. The adjustable palm lift feature keeps your wrists in a natural posture, whether you're seated or standing. You'll confidently type on Perfect Stroke keys-crafted for precision and fluidity. And an integrated numpad, multi-device capabilities, and two-year battery life ensure that you won't compromise performance for ergonomics.   Keyboard/Keypad Keyboard/Keypad Connectivity Technology: Wireless Keyboard/Keypad Wireless Technology: Bluetooth/RF Keyboard/Keypad Wireless Operating Distance: 32.81 ft Wireless Operating Frequency: 2.40 GHz   Interfaces/Ports Keyboard/Keypad Host Interface: USB   Battery Information Battery Size Supported: AAA   Physical Characteristics Product Color: Black Keyboard/Keypad Height: 9.17" Keyboard/Keypad Width: 17.95" Keyboard/Keypad Depth: 1.89" Weight (Approximate): 2.56 lb   Miscellaneous Package Contents: ERGO K860 Split Ergonomic Keyboard USB Receiver 2 X AAA Batteries QSG Platform Supported: Windows Platform Supported: Mac OS Country of Origin: China Environmentally Friendly: Yes Environmental Compliance: Waste Electrical and Electronic Equipment Directive (WEEE) Environmental Compliance: Restriction of Hazardous Substances (RoHS)   Warranty Limited Warranty: 1 Year WARNING: This product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.