USB Connection Large 1 inch (24mm) keys Detachable wrist rest Two Port USB2.0 Hub Accuratus Monster 2 - USB Mixed Colour Lower Case Childrens Keyboard for Learning with Extra Large Keys & 2 Port USB HubFor young children the Monster 2 Mix is the perfect entry into computing, with large oversized keys grouped in different colours making learning easy and fun. Then there's the High Visibility & High Contrast models designed for users with vision impairment. With high visibility large black legends against a bright yellow background, or large black legends on a high contrast white background. The perfect combinations for those with certain sight deficiencies.Maybe you just want a keyboard with big keys because they look cool, whatever the reason, these tough keyboards are precise and a joy to use. Keyboard USB hub Yes Numeric keypad No Keyboard form factor Full-size (100%) Pointing device No Keyboard language UK English Keyboard layout QWERTY Keyboard key switch Membrane Device interface