Perixx PERIBOARD-613B Wireless Compact Ergonomic Split Keyboard - Dual 2.4G and Bluetooth Mode - Compatible with Windows 10 and Mac OS X - 15.75 x 10.83 x 2.17 inches - Black - US English

Mini split-key keyboard: ergonomic keyboard in a mini design with curved keys and split-key sloped promotes natural arm and hand position while typing to minimize chances of RSI, carpal tunnel syndrome, dimensions (400 x 275 x 55 mm) Palm rest support - integrated palm rest promotes a more relaxed typing angle by supporting the palm and wrist, which reduces median nerve pressure to minimize tensions on the forearm WIRELESS DUAL MODE: Switch between Bluetooth or wireless 2.4 GHz by switching the connection mode at the bottom of the keyboard; Nano receiver is stored safely in the compartment at the bottom of the keyboard COMFORTABLE TYPING FEELING: High-quality key switches that promotes responsiveness and resistance for a tactile and comfortable typing feeling; Long travel distance that gives a satisfying typing feeling and decreases mistyping SYSTEM REQUIREMENTS: USB interface or Bluetooth ready, Windows 7, 8, 10 and Mac operating systems; Package includes: 1 x black PERIBOARD-613, 4 extra keys (Switch to Windows key when using Windows devices or Mac Command keys when using Mac devices), manual, and 24-month limited warranty