34 keys wired numeric keypad is suitable for laptop users,banking, financial securities, business workers or Used with 87 keyboards, 82 keyboards, 68 keyboards, 61 keyboards and other keyboards without numeric section. Package List: 1 x wired keypad, 1 x quick start guide. Compatile with Windows XP or above, Mac OS International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions. Manufacturer warranty will not apply. Please review Amazons return policy, which usually offers free returns within 30 days of receipt. Learn more about Amazon Global Store. product feature X Scissor lift key construction,comfortable Color:White products weight:170GR Keypad size:14*11.6*1.6cm extended layout,contain Esc,Tab, Back Space, Delete, Home, End Prt sc keys, Page up, Page down keys and four arrows direction keys Short-cuts to calculator functions. Powerful system identification chip, which can automatically adjust some key functions of the keypad to match the operating system of the connected computer. In Windows OS:Prt sc/calculator/Left Parenthesis/Right Parenthesis In Mac OS:F13/F14/F15/F16 OS:Windows XP or above, Mac OS, PC to USB port Package included: 1 x 34 keys wired numeric keypad 1 x manual