Spec: Item Type: Mini Keypad Material: Acrylic Connection: Wired USB/ Wireless BT Key Type: Red Switch Mechanical Keyboard (Knob Can Be Pressed and Used As Programmable Key) Supported Operating System: Suitable for Win, for Vista, for Linux, for OS X Laptop. Battery Type: Inbuilt 800mAh Lithium Ion Battery How to Use: Plug and play packing list: 1 xMini Keypad 1 x USB Cable

Programmable Function: This mini keyboard is programmable, designed with knob. Allowing you to freely configure keys and functions, improve work efficiency and comfort. Durable Acrylic: This one handed keypad with knob is made of premium acrylic material, which is strong, durable and resistant to wear. Red Switch: This gaming keypad adopts mechanical structure and red switch, which ensures quicker response and longer service life. Ergonomic Design: This mini mechanical keypad also features ergonomic design which provides easier and more comfortable typing. Dual Mode: This programmable keypad can be easily connected via USB cable or wireless BT, widely compatible with a variety of devices.