Features: 1.2 Connection Methods: The wireless numeric keypad adopts two connection methods, wireless and 2.4G, you can choose according to your needs 2.Touch Screen: The wireless number pad has a touch screen that can be controlled with a mouse, which can give you more control experience 3.Plug and Play: The type c number pad requires no complicated installation process and no need to download drivers. Plug and play is very convenient 4.Lightweight and Portable: The laptop keypad is small and lightweight, making it easy to carry. Is perfect for your work and study 5.Wide Compatible: The number keypad works with most computer systems, for Win, for IOS, for Android and for OS X specification:Item Type: Wireless Numeric Keypad Material: ABS BT Version: 5.0 Transmission Distance: 10meters/10.9yd Number of Keys: 22 Keys Interface: Type C Touchpad Size: Approx. 78 x 110mm / 3.1 x 4.3in Built in Lithium Battery: 500mAh Support System: For Win, for IOS, for Android, for OS X Connection Method: 2.4G and BT PackageList:1 x WirelessNumericKeypad 1 x Charging Cable 1 x Receiver NoteShipped with Built in Battery