1. Introduction
Thank you for choosing the FREE WOLF M75 Wireless Gaming Keyboard. This compact 82-key keyboard offers dual-mode connectivity (Bluetooth 5.0 and 2.4G wireless), vibrant RGB backlighting, an OLED display, and a long-lasting battery for an enhanced gaming and typing experience.
Figure 1: FREE WOLF M75 Wireless Dual Mode Keyboard
2. Package Contents
- FREE WOLF M75 Wireless Gaming Keyboard
- USB 2.4G Receiver
- Type-C Charging Cable
- User Manual (this document)
3. Keyboard Layout and Controls
Figure 2: Keyboard Controls Overview
3.1. Multifunction Knob
- Rotate Left/Right: Adjusts system volume (down/up).
- Press: Mutes/unmutes audio.
- Long Press: Switches between different backlight modes.
3.2. OLED Display
The integrated OLED screen displays important information:
- Battery percentage
- Current connection mode (2.4G, BT1, BT2)
- Caps Lock status
- Scroll Lock status
3.3. Power and Mode Switches
- ON/OFF Switch: Located on the side, controls keyboard power.
- Mode Switch (BT1 / BT2 / 2.4G): Located on the side, selects the desired connection mode.
4. Setup and Connection
4.1. Charging the Keyboard
Before first use, it is recommended to fully charge the keyboard.
- Connect the supplied Type-C cable to the keyboard's charging port.
- Connect the other end of the cable to a USB power source (e.g., computer USB port, USB wall adapter).
- The OLED display will show a charging animation or indicator.
- A full charge typically takes a few hours.
4.2. Connecting via 2.4G Wireless
- Ensure the keyboard is powered ON using the ON/OFF switch.
- Set the mode switch on the keyboard to the 2.4G position.
- Plug the USB 2.4G receiver into an available USB port on your computer.
- The keyboard should automatically connect. The OLED display will show '2.4G' when connected.
4.3. Connecting via Bluetooth
The keyboard supports two Bluetooth connections (BT1 and BT2), allowing you to switch between two paired devices.
- Ensure the keyboard is powered ON using the ON/OFF switch.
- Set the mode switch on the keyboard to either BT1 or BT2.
- For BT1: Long press the Fn + Q keys for 3 seconds until the indicator light on the OLED display (or a dedicated LED) flashes rapidly. This indicates pairing mode.
- For BT2: Long press the Fn + W keys for 3 seconds until the indicator light on the OLED display (or a dedicated LED) flashes rapidly. This indicates pairing mode.
- On your device (computer, tablet, smartphone), enable Bluetooth and search for new devices.
- Select "BT5.0 Keyboard" from the list of available devices to connect.
- Once connected, the indicator light will stop flashing, and the OLED display will show 'BT1' or 'BT2'.
5. Operating Instructions
5.1. Switching Between Connected Devices
Once paired, you can switch between 2.4G and Bluetooth devices by simply moving the mode switch (2.4G / BT1 / BT2) on the keyboard.
5.2. Backlight Control
The keyboard features multicolor RGB backlighting. Use the following combinations:
- Long Press Multifunction Knob: Cycles through different backlight modes.
- Fn + Tab: Changes backlight color (in certain modes).
- Fn + Up Arrow: Increases backlight brightness.
- Fn + Down Arrow: Decreases backlight brightness.
- Fn + Left Arrow: Decreases backlight animation speed.
- Fn + Right Arrow: Increases backlight animation speed.
5.3. Multimedia and Function Keys
Use the Fn key in combination with the F-keys and other keys for various functions:
| Key Combination | Function |
|---|---|
| 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 |
| Fn + Backspace (DEL) | Delete |
| Fn + Home (SL) | Scroll Lock |
| Fn + End (PS) | Print Screen |
| Fn + PgUp (PL) | Pause Break |
| Fn + PgDn (INS) | Insert |
5.4. Sleep Mode
The keyboard will enter sleep mode after 5 minutes of inactivity to conserve battery. Press any key to wake it up.
6. Maintenance
6.1. Cleaning the Keyboard
- Turn off the keyboard before cleaning.
- Use a soft, lint-free cloth slightly dampened with water or a mild cleaning solution.
- Avoid using harsh chemicals, solvents, or abrasive cleaners.
- For dust and debris between keys, use compressed air.
6.2. Keycap Care
The keyboard features durable PBT keycaps, which are resistant to oil and wear, ensuring characters remain clearly visible over time.
Figure 3: PBT Ball Cap Features
6.3. Battery Care
- Charge the keyboard regularly to maintain battery health.
- Avoid completely draining the battery frequently.
- If storing the keyboard for an extended period, charge it to about 50% before storage.
7. Troubleshooting
7.1. Keyboard Not Connecting
- Ensure the keyboard is powered ON.
- Check the mode switch (2.4G, BT1, BT2) is set correctly.
- For 2.4G, ensure the USB receiver is properly plugged in. Try a different USB port.
- For Bluetooth, ensure your device's Bluetooth is on and the keyboard is in pairing mode (flashing indicator). Try unpairing and re-pairing.
- Ensure the keyboard battery has sufficient charge.
7.2. Keys Not Responding
- Check battery level.
- Ensure the keyboard is properly connected.
- Restart the keyboard and your computer/device.
- If specific keys are misconfigured, check your operating system's keyboard settings or any third-party remapping software you might be using.
7.3. Backlight Not Working
- Check backlight brightness settings (Fn + Up/Down Arrow).
- Ensure the keyboard is powered on and connected.
- Try cycling through backlight modes using the multifunction knob.
7.4. Battery Not Charging
- Ensure the Type-C cable is securely connected to both the keyboard and the power source.
- Try a different Type-C cable or USB power source.
- Verify the power source is functional.
8. Specifications
Figure 4: Product Parameters
| Feature | Specification |
|---|---|
| Keyboard Type | M75 Wireless Bluetooth Keyboard |
| Number of Keys | 82 Keys |
| Operation Style | Membrane |
| Backlight Type | Multicolor RGB |
| Battery Capacity | 2000 mAh Lithium Battery |
| Charging Interface | Type-C |
| Operating Voltage | DC 5V |
| Working Current | ≤200mA |
| Transmission Mode | Bluetooth 5.0 + 2.4G Wireless Dual Mode |
| Keyboard Weight | 600g ± 15g |
| Keyboard Size | 360 * 147 * 43 mm (approx. 360*150*35mm from other data) |
| Application | Desktop, Laptop |
| Language | English |
| System Compatibility | Windows, Mac, Android, iOS |
9. User Tips
- Quiet Operation: The membrane switches are very quiet, making this keyboard ideal for late-night gaming or office environments where noise is a concern.
- Exceptional Battery Life: Users report the 2000mAh battery lasts for weeks on a single charge, even with regular use.
- Seamless Switching: Easily switch between up to three devices (one 2.4G, two Bluetooth) with the dedicated mode switch.
- Compact Design: The 82-key layout saves desk space without sacrificing essential functionality.
- PBT Keycaps: The durable PBT keycaps resist shine and wear, keeping your keyboard looking new longer.
10. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the seller's policy or visit the official FREE WOLF website. Keep your proof of purchase for any warranty claims.