Feature: 1. PLUG AND PLAY: As an HID standard device, this keypad supports easy installation, no drive required. Whether it's for Win or OS X, simply connect it and start using it without the need to install additional cumbersome drivers, providing users with an easier experience. 2. 3 MODE CONNECTION: It supports wireless 2.4G, Bluetooth, and wired USB connections. Whether it's on a computer, cell phone or tablet, it provides a fast and stable connection. This means users can easily switch between multiple devices without worrying about compatibility issues, greatly enhancing flexibility and convenience of use. 3. MULTIFUNCTIONAL MACRO PROGRAMMING: With the dedicated programming software, users can freely define every key on the keyboard, including setting up complex macros to realize multi step actions with one key. This not only simplifies the daily workflow, but also enables quick response for gamers. 4. KEY VALUE CUSTOMIZATION: The unique multi functional S key allows the user to switch between three different key value layers. Each key value layer can be set to a different function, allowing three keys to have the functionality of nine keys, greatly expanding the keyboard's range of applications and usefulness. 5. RGB LIGHTING: Equipped with a full color RGB backlighting system, it supports a variety of lighting modes and color choices, allowing users to adjust the visual effects of the keyboard according to their preferences or the ambience of the environment, adding more fun. Specification: Item Type: Small Keypad Material: ABS Connection: Wireless 2.4G, Bluetooth, Wired USB Three Modes Switch Type: Blue Switch Mechanical Keyboard Lighting Effect: RGB Battery Type: Built in 230mAh Li Ion Battery Compatible Devices: Universal for Computers Keyboard And Mouse Functions: For Keyboard Or Mouse Any Single Key, Combination Keys, Mouse Cursor, Scrolling Actions String Function: Continuous Output Of Letters Or Symbols, Up To 38 Characters Multimedia Functions: Common Multimedia Functions Such As Volume Up, Down, Play, Pause, My Computer, Etc. Macro Definition Function: This Function Can Set Keyboard And Mouse Combination Actions, And The Actions Can Add Delay. Can Use Recording Function To Record Keyboard, Mouse Actions Multifunction S Key Description: Single Click To Switch Key Value Layers, With A Total Of Three Key Value Layers. Each Layer Can Be Customized With Different Functions, Allowing Three Keys To Have The Functionality Of Nine Keys (Red Indicator Light For The First Layer, Green Light For The Second Layer, Blue Light For The Third Layer). Package List: 1 x Small Keypad1 x Receiver1 x Data Cable1 x Instruction Manual