Ablenet VisionBoard 2 Large Key Keyboard Wired Black Print on 1-in/2.5-cm Yellow Keys - Cable Connectivity - USB Interface - Computer - Mac, Windows - Membrane Keyswitch - Black, Yellow

The f-keys are oval in shape and distinguished from other keys Its oversized keys help with contact and control Excellent keyboard for anyone with dexterity and/or vision issues. Works with both PC and Mac Standard USB connectivity 2 USB ports on the right side of the case. These can be used for a numeric keypad, a mouse, trackball, web cam, etc Keys: It improves readability and reduces eyestrain with 1inx1in square. Keys are activated by membrane switches. Membrane switch technology is the newest and most reliable with a life beyond 1 million strikes