Sandberg USB Wired Numeric Keypad is what all laptops need – the fastest way to number typing. Just insert the keyboard to a USB port on your computer and it will be ready to use immediately. The keyboard is powered from the computer so you never have to worry about changing batteries and also avoid the expense of replacing these. Design: - Cable length: 1.5 - LED indicators: Yes - Product colour: Black Features: - Device interface: USB - Key switch type: Tactile - Keyboard key switch: Membrane - Keyboard number of keys: 19 - Keys operating life: 3 - Pointing device: No - Purpose: Laptop/PC - USB hub: No Power: - Power source type: USB System requirements: - Mac compatibility: Yes - Windows operating systems supported: Windows 10/Windows 7/Windows 8/Windows Vista/Windows XP Vendor information: - Brand Name: Sandberg - Warranty: 5 - Product.Details.Specifications.Level1: Consumer Electronics - Product.Details.Specifications.Level2: Home Office - Product.Details.Specifications.Level3: Mice & Keyboards - Product.Details.Specifications.Level4: Numeric Keypads