Spec: Item Type: Mini Custom Keypad Material: ABS, Aluminium Alloy BT: V4.2 Battery Type: Lithium Battery Battery Capacity :1200mAh(Battery Included) How to Use: Set and use packing list: 1 xMini Custom Keypad 1 x Charging Cable 1 x User ManualRGB Backlit: This Shortcut Programming Keyboard is designed with RGB backlit. Provided with 7 light colors and 5 lighting modes. Onboard Storage: The configuration of this mini gaming keypad can be stored, reset is not needed when PC is changed. Drivers are not required and switch is replaceable. Wide Application: This Programmable Macro keypad is suitable for graphic design, video clip, video color adjustment, computer graphics, software shortcut keys, zoom in and out, parameter adjustment and so on. 9 Keys and 3 Knobs: This mini custom keypad is designed with 9 keys and 3 knobs. You can set all keys function of standard for Win keyboard. Interaction Friendly: This programmable keypad is interaction friendly and easy to use. Keys, lights and macros can be easily set.