Mini digital keyboard with 19 buttons. Compact and fit easily into computer bag, bag, etc. Strong and durable structure. Plug and play. Light led indicator light. Support USB port on any PC or Laptop. The mini usb keypad is only used for numbers only, has 19 keys. With a solid and durable structure and power on light led indicator. Small size is compact and easy to insert into computer bag, bag, etc. PlUG-and-PLAY device: no drivers required; USB port required Full-size 19mm keys improve speed and accuracy by making it easier to locate and press the numbers you are looking for. 19 keys of 0-9 number keys, 000, Del, Enter, Back Space, Num Lock, + - * /. Integrated ergonomic tilt provides added comfort which helps reduce strain, great for those working on spreadsheets, accounting files or financial applications Works with PC and desktop computers that have Windows 2000, XP, Vista, or Windows 7 8 10 Numeric keypad supports NumLock. Brand IBM SKU IB484EL0M9I8SNAFAMZ-247203