1. Plug-and-Play - no drivers required; USB port needed 2. Compatible with most computer systems: Windows 98/95/NT/ME/2000/XP/Vista/7.0/8.0 3. Spill-resistant and dustproof 4. Ideal for laptop users who frequently work with number pads; Mini digital keypad 5. Integrated ergonomic tilt enhances comfort and reduces strain, perfect for spreadsheet, accounting, or financial applications Lightweight and compact design makes it both stylish and practical. Perfect for those working with spreadsheets, accounting files, or financial applications. Don't miss out! Specifications: Material: ABS Color: Black Interface: USB2.0 Number of keys: 18 (numeric) Package weight: 110g Cable length: Approx. 1.2m / Approx. 47.2 inches Size: 13.8 x 8.5 cm / 5.4 x 3.3 inches Quantity: 1 pc Compatible with: Windows 98/95/NT/ME/2000/XP/Vista/7.0/8.0 Package Contents: 1 x USB Numeric Keypad Note: 1. Please allow 1-3mm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.