Kensington Pro Fit Ergo Wireless Keyboard, US QWERTY Layout, Dual 2.4GHz and Bluetooth 4.2 Technology, Compatible with Chrome OS, MacOS and Windows, K75401WW, black

Ergonomic design - The split and slanted keyboard puts your hands in an extremely comfortable working posture and the integrated wrist rest cushions the wrists and reduces the risk of RSI or carpal tunnel syndrome Split keyboard with adjustable opposite tilt for a natural and neutral position of hands, wrists and forearms. It is a USA standard keyboard with QWERTY keyboard layout Wireless keyboard with AES - The dual wireless technology with 128-bit AES encryption offers the flexibility of 2.4 GHz and Bluetooth 4.0 LE with encryption according to state-approved standard The quiet keystroke makes typing smooth, effortless and fluid. Power saving switch with three modes: the lock button, the Num button, the scroll button and the F keys USB 3.0 Receiver - If your receiver gets lost or damaged, simply buy a new one; switch to switch between 2.4 GHz, Bluetooth and off to keep the battery last as long as possible