1. Important Safety Information
Please read all safety warnings carefully before using this product.
- WARNING: Not suitable for children under 36 months.
- BATTERY WARNING: Keep batteries out of reach of children. Swallowing can lead to chemical burns, perforation of soft tissue, and death. Severe burns can occur within 2 hours of ingestion. Seek medical attention immediately if ingested.
- FIRE RISK: Please mind potential fire risk and strictly follow the instruction manual for charging and storage. For disposal, check your local authority's website for information and dispose of the lithium-ion battery safely in accordance with applicable legal requirements.
- ENVIRONMENTAL PRECAUTIONS: Do not immerse the product in water or any liquid. Keep away from high temperature, fire, and strong impact.
- PRODUCT INTEGRITY: Do not disassemble, repair, or modify the product without permission. Stop using immediately if overheating, smoke, or a peculiar smell occurs.
2. Setup Guide
2.1 Before First Use
- Unboxing: Carefully unpack the MCHOSE K99 V3 keyboard and all included accessories. Inspect for any visible damage or missing components.
- Power: For wireless use, ensure the built-in 10000mAh battery is fully charged. For wired use, prepare the USB-C cable.
- Compatibility: Confirm that your device (PC, laptop, or tablet) has an available USB port or supports Bluetooth functionality.
- Mechanical Keyboard Specific: Familiarize yourself with the key switch type and any included keycap puller or tools.
2.2 Connectivity Options
The MCHOSE K99 V3 supports three connection modes: Wired (USB-C), 2.4G Wireless, and Bluetooth.
Image: Side view of the MCHOSE K99 V3 keyboard, highlighting the multi-functional rotary knob and the mode selection switch (OFF, B for Bluetooth, 2.4G for wireless).
Wired Mode
- Connect the USB-C cable to the keyboard's port.
- Plug the other end of the USB-C cable into an available USB port on your computer.
- The operating system will automatically install necessary drivers, making it ready for immediate use.
2.4G Wireless Mode
- Locate the 2.4G USB receiver, usually stored in a dedicated slot on the bottom of the keyboard.
- Insert the USB receiver into an available USB port on your device.
- Turn on the keyboard using the power switch, selecting the '2.4G' position. The keyboard will automatically pair with the receiver.
Bluetooth Mode
- Turn on the keyboard using the power switch, selecting the 'B' (Bluetooth) position.
- Press and hold the Bluetooth pairing button (often a dedicated key or Fn combination) for 3-5 seconds until the indicator light begins to flash rapidly, indicating it is in pairing mode.
- On your device, open the Bluetooth settings menu, search for new devices, and select "MCHOSE K99 V3" (or similar name) to complete the connection.
- For multi-device pairing, short press the channel button (e.g., Fn+1, Fn+2) to switch between connected devices.
3. Operation
3.1 Charging the Keyboard
- Connect the USB-C charging cable to the keyboard's charging port.
- Plug the other end into a standard 5V USB power source (e.g., a computer USB port or a power adapter).
- A red indicator light typically means the battery is charging. The light will turn off or turn green once charging is complete.
3.2 Sleep Mode
To conserve power, the keyboard will automatically enter sleep mode after a period of inactivity. Press any key to wake it up instantly (reconnection may take a few seconds).
3.3 Backlight Operation
The MCHOSE K99 V3 features 360° ARGB ambient lighting.
Image: Detailed view of the keyboard's design elements, including the ARGB ambient lighting.
- Use dedicated backlight keys or Fn + Function keys (e.g., Fn + F5/F6) to adjust the brightness level or change lighting effects.
- Press the backlight key combination repeatedly to cycle through available modes or turn the backlight off.
3.4 Multifunctional Rotary Knob
The keyboard features a versatile rotary knob for enhanced control.
Image: The multifunctional rotary knob, indicating its capabilities for one-click wake-up, volume adjustment, one-click mute, and customization.
- One-key wake-up: Quickly wake the keyboard from sleep.
- Volume Control: Rotate to adjust system volume.
- One-key mute: Press the knob to mute/unmute audio.
- Customization: Supports customization through the Mhub driver.
3.5 Driver Software (Mhub)
The MCHOSE K99 V3 utilizes the self-developed Mhub driver for comprehensive peripheral management and customization.
Image: The Mhub driver interface, illustrating its features for lighting effects, key customization, and peripheral management.
- Personalized Lighting Effects: Supports music rhythm 2.0, divine light sync, and custom GIF lighting effects.
- Keyboard and Mouse Test Tool: Includes key switching notification and color palette calibration.
- Onboard Switching: Features 3 sets of onboard switching with cloud sharing and import support.
- Download: The Mhub driver is available in web version and client version. Refer to the official MCHOSE website for download links.
3.6 Dual System Compatibility & Advanced Keys
Image: Overview of advanced buttons, dual system compatibility, and expandable character keys.
- Dual System Compatible: Long press Fn+A/S for 2 seconds to switch between Apple (macOS) and Windows operating systems.
- Advanced Buttons: Includes SOCD, MT, TGL, CB functions.
- Expand Character Keys: 61 types of expansion characters and 87 types of special characters can be changed, including one-click calculator, one-key return to desktop, one-click search, one-click selection, and one-click light color switching.
4. Maintenance
4.1 After Use
- Storage: For wireless keyboards, turn off the power switch if you do not plan to use it for an extended period to save battery life. Disconnect the USB cable or receiver from your device and store the keyboard in a cool, dry, and clean place.
- Cleaning: Avoid eating or drinking near the keyboard to prevent debris and liquid damage. Clean periodically by shaking out crumbs or using compressed air.
- Environment: Do not place the keyboard in humid environments, near heat sources, or in dusty areas for long periods.
- Disposal: When the product reaches the end of its life, dispose of the keyboard and its batteries according to your local environmental regulations. Do not discard it with regular household waste.
5. Troubleshooting
- Overheating/Malfunction: If the keyboard overheats, emits smoke, or has a peculiar smell, stop using it immediately and disconnect it from any power source.
- Connectivity Issues:
- Ensure the keyboard is in the correct mode (Wired, 2.4G, or Bluetooth) using the side switch.
- Check the battery level and charge if necessary.
- For 2.4G wireless, ensure the USB receiver is securely plugged in.
- For Bluetooth, try re-pairing the keyboard with your device.
- Customization/Software Issues: If lighting effects or key remapping are not working as expected, ensure the Mhub driver is installed and up-to-date. Check the Mhub software for any error messages or configuration conflicts.
6. Specifications
Image: Comprehensive specifications table for the MCHOSE K99 V3 keyboard.
| Feature | Detail |
|---|---|
| Model | MCHOSE K99 V3 |
| Layout | 98 Keys |
| Connectivity | Tri-mode (Type-C Wired, 2.4G Wireless, Bluetooth) |
| Polling Rate | Native Dual 8K (wired/2.4G) |
| Latency | 0.125ms ultra-low latency |
| Battery Capacity | 10000mAh (up to 2500h continuous usage with lights off) |
| Switches | Glazed Ice Cream Shaft (Mechanical) |
| Switch Specs | Trigger Pressure: 42±10gf, Trigger Travel: 1.3±0.4mm, Total Travel: 3.5±0.3mm |
| Keycaps | PBT two-color injection molding, MDA profile |
| Structure | Gasket mount, 6-layer filling |
| Positioning Plate | Horizontal slotted PC or FR4 gold-plated |
| Lighting | 360° ARGB ambient lighting |
| Knob Function | Wake-up, Volume Control, Mute, Customization |
| System Support | Windows, macOS |
| Weight | Approx. 1277g |
| Driver Software | Mhub (web version/client) |
7. User Tips
- Maximize Customization: Download and utilize the Mhub driver software (web or client version) to unlock the full potential of your K99 V3, including personalized lighting effects, key remapping, and advanced functions.
- Efficient Switching: Take advantage of the tri-mode connectivity to seamlessly switch between your desktop (wired/2.4G), laptop (Bluetooth), and other devices. Remember the Fn+A/S shortcut for OS switching.
- Battery Management: For extended wireless use, turn off the keyboard when not in active use to conserve the 10000mAh battery life.
- Sound Profile: The keyboard features a 'thick and smooth Mahjong sound' due to its 6-layer filling. Experiment with different keycap materials or switches if you wish to further modify the acoustic profile.
8. Warranty & Support
For any product-related inquiries, technical support, or warranty claims, please contact the seller or manufacturer directly. Keep your purchase receipt as proof of purchase.
