Product Overview
The Ant Esports MK4400 Pro is a versatile wireless mechanical gaming keyboard designed for a superior user experience. It features tri-mode connectivity (Bluetooth, 2.4GHz wireless, and USB-C wired), 104+4 keys, per-key RGB lighting, and durable ANT Brown mechanical switches. This keyboard is compatible with Windows, Mac, Linux, and Android operating systems.

Front view of the Ant Esports MK4400 Pro Wireless Mechanical Gaming Keyboard showcasing its full layout and vibrant RGB lighting.
What's in the Box
Upon unboxing your Ant Esports MK4400 Pro keyboard, you should find the following items:
- Ant Esports MK4400 Pro Wireless Mechanical Gaming Keyboard
- USB-A to Type-C Cable
- USB Dongle (for 2.4GHz wireless connection)
- User Manual

Image showing the Ant Esports MK4400 Pro keyboard along with its packaging and included accessories.
Setup
Charging the Keyboard
Before initial use, it is recommended to fully charge the keyboard. Connect the provided USB-A to Type-C cable to the keyboard's Type-C port and the other end to a USB power source (e.g., computer USB port, wall adapter). The charging indicator (usually the Caps Lock LED) will be solid while charging and turn off when fully charged.
Tri-Mode Connectivity
The MK4400 Pro supports three connection modes: Wired (USB-C), 2.4GHz Wireless, and Bluetooth. Use the mode switch located on the keyboard to select your desired connection method.

Visual representation of the keyboard's tri-mode connectivity options.
1. Wired Mode (USB-C)
- Connect the USB-A to Type-C cable from the keyboard to your computer's USB port.
- The keyboard will be automatically recognized and ready for use.
- This mode also charges the keyboard's internal battery.
2. 2.4GHz Wireless Mode
- Insert the USB dongle into an available USB port on your computer.
- Switch the keyboard to 2.4G mode.
- Press Fn + R to initiate pairing. The indicator light will flash rapidly and then become solid upon successful connection.
3. Bluetooth Mode
The keyboard can connect to up to three Bluetooth devices.
- Switch the keyboard to Bluetooth mode.
- To pair with a new device, press and hold Fn + Q, Fn + W, or Fn + E for 3-5 seconds. The corresponding indicator light will flash rapidly, indicating pairing mode.
- On your device (computer, tablet, smartphone), search for Bluetooth devices and select "Ant Esports MK4400 Pro".
- Once connected, the indicator light will become solid.
- To switch between paired Bluetooth devices, simply press Fn + Q, Fn + W, or Fn + E briefly.
Operating Instructions
Key Functions and Multimedia Controls
The Ant Esports MK4400 Pro features 104 standard keys and 4 dedicated multimedia keys. Many keys have secondary functions accessible via the Fn key.
| Function Key Combination | Description |
|---|---|
| Fn + F1 | My Computer |
| Fn + F2 | Search |
| Fn + F3 | Calculator |
| Fn + F4 | Media Player |
| Fn + F5 | Previous Track |
| Fn + F6 | Next Track |
| Fn + F7 | Play/Pause |
| Fn + F8 | Stop |
| Fn + F9 | Mute |
| Fn + F10 | Volume Down |
| Fn + F11 | Volume Up |
| Fn + F12 | |
| Fn + Win | Lock/Unlock Windows Key (Win Lock indicator on) |
| Fn + Esc | Reset (Restores default settings) |
| Fn + Tab | System Switching (Windows/Mac layout) |
| Fn + Left Ctrl | Switch between 19 different RGB lighting effects |
| Fn + Up Arrow | Increase RGB brightness |
| Fn + Down Arrow | Decrease RGB brightness |
| Fn + Left Arrow | Decrease RGB effect speed |
| Fn + Right Arrow | Increase RGB effect speed |
| Fn + Del | Switch backlight color in certain modes |
| Fn + Home | Activate custom RGB mode |
| Fn + End | Save custom RGB mode settings |
The dedicated multimedia keys (next to the volume knob) provide quick access to media controls.
RGB Lighting Control
The keyboard features per-key RGB illumination with over 19 dynamic lighting effects. You can customize these effects using the keyboard's function keys or dedicated software.
- Switching Effects: Press Fn + Left Ctrl to cycle through different lighting modes.
- Adjusting Brightness: Press Fn + Up Arrow to increase brightness and Fn + Down Arrow to decrease brightness.
- Adjusting Speed: Press Fn + Left Arrow to slow down the effect speed and Fn + Right Arrow to speed it up.
- Custom Modes: Use Fn + Home to enter custom RGB mode and Fn + End to save your custom settings.
- Software Control: For advanced customization, download the official Ant Esports software from https://bit.ly/3S6slUw.

The keyboard illuminated with vibrant per-key RGB lighting.
Anti-Ghosting
The MK4400 Pro features 100% full anti-ghosting, ensuring that every keystroke is registered accurately, even when multiple keys are pressed simultaneously. This is particularly beneficial for fast-paced gaming.

Visual representation of the full anti-ghosting capability, showing multiple keys being registered simultaneously.
Battery Management
The keyboard is equipped with a 1000mAh rechargeable battery. It features low-power alerts (indicator light flashes slowly) and an auto-sleep mode to conserve battery life during wireless use. Connect the USB-C cable to charge the keyboard.
OS Compatibility
The Ant Esports MK4400 Pro is compatible with a wide range of operating systems, including Windows 11/10/8/7, Mac OS, Linux, and Android devices. Use Fn + Tab to switch between Windows and Mac layouts.

The keyboard demonstrating its wide compatibility across multiple operating systems.
Maintenance
Cleaning the Keyboard
- Disconnect the keyboard from all power sources before cleaning.
- Use a soft, lint-free cloth slightly dampened with water or a mild cleaning solution to wipe the keycaps and chassis.
- For deeper cleaning between keys, use compressed air to remove dust and debris.
- Avoid using harsh chemicals, abrasives, or solvents, as these can damage the keyboard's finish and components.
Switch Care
The keyboard uses ANT Brown Mechanical Switches, which are designed for durability. While these switches are generally low maintenance, avoid excessive force when typing and keep liquids away from the keyboard to prevent damage.

Detailed view of the responsive ANT Brown mechanical switch, highlighting its tactile design.
Troubleshooting
- Keyboard not responding:
- Ensure the keyboard is charged. The charging indicator will be solid when charging and off when full.
- Check the connection mode switch (Wired, 2.4G, BT) and ensure it matches your connection method.
- For wired mode, try a different USB port or cable.
- For 2.4GHz, ensure the USB dongle is securely plugged in and try re-pairing (Fn + R). The indicator light should flash rapidly then become solid.
- For Bluetooth, ensure Bluetooth is enabled on your device and try re-pairing (Fn + Q/W/E). The indicator light should flash rapidly then become solid.
- Try resetting the keyboard to factory defaults by pressing Fn + Esc.
- RGB lighting not working or stuck:
- Ensure the keyboard is powered on.
- Adjust brightness using Fn + Up/Down Arrow.
- Cycle through lighting effects using Fn + Left Ctrl.
- If using custom modes, ensure they are saved correctly with Fn + End.
- Check the software for lighting settings if applicable.
- Keys not registering or ghosting:
- Ensure the keyboard is clean and free of debris under the keycaps.
- This keyboard features full anti-ghosting, so if issues persist, try resetting the keyboard or connecting via a different mode.
- Connectivity issues (intermittent connection):
- Ensure the keyboard is within range of the receiver (for 2.4GHz) or Bluetooth device.
- Avoid interference from other wireless devices.
- Ensure the keyboard battery is sufficiently charged. A slowly flashing indicator light signals low power.
Specifications
| Feature | Detail |
|---|---|
| Brand | Ant Esports |
| Model Number | MK4400 Pro |
| Connectivity Technology | 2.4GHz Wireless, Bluetooth, USB-C Wired |
| Switch Type | ANT Brown Mechanical Switches |
| Number of Keys | 104 + 4 Multimedia Keys |
| Keystroke Lifespan | 20 Million Keystrokes |
| Anti-Ghosting | 100% Full Anti-Ghosting |
| Backlighting | Per-Key RGB with 19+ effects |
| Battery Capacity | 1000mAh Rechargeable |
| Compatible OS | Windows 11/10/8/7, Mac OS, Linux, Android |
| Dimensions (L x W x H) | 47L x 17W x 4H Centimeters |
| Weight | 800 Grams |
| Enclosure Material | Acrylonitrile Butadiene Styrene |
Warranty
The Ant Esports MK4400 Pro Wireless Mechanical Gaming Keyboard comes with a 1 Year Warranty from the date of purchase. Please retain your proof of purchase for warranty claims. The warranty covers manufacturing defects and malfunctions under normal use. It does not cover damage caused by misuse, accidents, unauthorized modifications, or normal wear and tear.
Support
For further assistance, technical support, or warranty inquiries, please contact Ant Esports customer service. You can find more information and contact details on the official Ant Esports website.
Official Website: www.antesports.com
Software Download: https://bit.ly/3S6slUw

