Feature: 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 great for your work and study 5. Wide Compatible: The number keypad works with most computer systems, for Win, 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 Size: Approx. 170 x 120mm / 6.7 x 4.7in Built in Li Battery: 500mAh Support System: For Win, for Android, for OS X Connection Method: 2.4G and BT. Package List: 1 x Wireless Numeric Keypad 1 x Charging Cable1 x Receiver Note: Shipped with Built in Battery