Introduction
This manual provides detailed instructions for the DAREU FLEX75 Gasket Wireless Mechanical Keyboard. Please read this manual carefully before using the product to ensure proper operation and to maximize your user experience. The DAREU FLEX75 is a 75% compact mechanical keyboard featuring a gasket mount structure, multi-mode connectivity, hot-swappable switches, and customizable RGB backlighting.
Image: DAREU FLEX75 Gasket Wireless Mechanical Keyboard in White Shadowfold.
Package Contents
Upon opening the package, please verify that all items are present:
- DAREU FLEX75 Mechanical Keyboard
- USB-C Cable
- Keycap Puller
- User Manual (this document)
Setup
1. Connectivity Modes
The DAREU FLEX75 supports three connection modes: Bluetooth, 2.4G Wireless, and USB-C Wired. You can connect to up to 5 devices simultaneously.
Image: Diagram illustrating the three connection modes: Bluetooth, 2.4G, and USB-C.
- Bluetooth Mode: Switch the toggle on the side of the keyboard to the 'BT' position. The keyboard will enter pairing mode. Search for 'FLEX75' on your device (computer, laptop, tablet, smartphone) and connect.
- 2.4G Wireless Mode: Locate the USB receiver, typically stored in a slot on the keyboard's underside. Plug the receiver into a USB port on your device. Switch the toggle on the side of the keyboard to the 'A' position. The keyboard should connect automatically.
- USB-C Wired Mode: Connect the provided USB-C cable to the keyboard and to a USB port on your device. Switch the toggle on the side of the keyboard to the 'A' position. The keyboard will function as a wired device and charge simultaneously.
Image: Close-up of the hidden USB receiver slot on the keyboard's underside.
2. Hot-Swappable Switches
The FLEX75 features a full-key hot-swappable PCB, compatible with both 3-pin and 5-pin mechanical switches. This allows for easy customization of typing feel without soldering.
Image: Diagram showing the hot-swappable switch mechanism, including linear switch, hot-swap socket, and stabilizer.
To replace a switch:
- Use the included keycap puller to gently remove the desired keycap.
- Use the included switch puller to carefully extract the switch from its socket.
- Align the pins of the new switch with the holes in the PCB and press firmly until it clicks into place.
- Re-attach the keycap.
3. Driver Software
For advanced customization of RGB lighting, macros, and key functions, download the official DAREU FLEX75 driver software from the manufacturer's website. Firmware updates are also available through this software.
Image: Screenshot of the DAREU FLEX75 programmable software, showing options for key function settings, lighting settings, and macro management.
Video: An overview of the DAREU FLEX75 75% Wireless Mechanical Keyboard, demonstrating its features and design.
Operating Instructions
1. Basic Functions
- FN Key Combinations: The FN key (Function key) is used in combination with other keys to access secondary functions, such as media controls, lighting adjustments, and system shortcuts. Refer to the keycap legends for specific combinations.
- N-Key Rollover: The keyboard supports N-Key Rollover, ensuring that every key press is registered accurately, even when multiple keys are pressed simultaneously.
2. RGB Backlight Control
The FLEX75 features 16.8 million color RGB backlighting with various effects. You can adjust these directly on the keyboard using FN key combinations or through the driver software.
Image: The DAREU FLEX75 keyboard showcasing its 16.8 million RGB backlight with multiple lighting effects.
- Change Backlight Effects: FN + \|
- Change Backlight Color: FN + ]}
- Adjust Brightness: FN + Up Arrow (increase), FN + Down Arrow (decrease)
- Adjust Lighting Speed/Frequency: FN + Left Arrow (decrease), FN + Right Arrow (increase)
- Music-Sync Lighting Mode: The keyboard supports a mode where lights flash following music rhythm. Activate via driver software.
Video: A demonstration of the RGB lighting effects on the FLEX75 Shadowfold Wireless Mechanical Keyboard.
3. Metal Control Knob
The CNC metal rotary knob located on the keyboard provides convenient control over system volume.
Image: Close-up of the metal rotary knob and indicator lights for Caps Lock, Win Lock, Wireless, and Bluetooth.
- Rotate Clockwise: Increase system volume.
- Rotate Counter-clockwise: Decrease system volume.
- Press Down: Mute/Unmute audio.
Video: Demonstration of the metal control knob functionality on the FLEX75 Shadowfold Wireless Mechanical Keyboard.
4. Typing Experience
The FLEX75 features a 5-layer gasket mount structure designed for a silent and comfortable typing experience. This structure, combined with sound-absorbing padding, reduces hollow cavity noise and provides soft, cushioned feedback.
Video: A sound test of the DAREU FLEX75 Wireless Mechanical Keyboard, demonstrating its acoustic profile.
Video: A typing feel test of the FLEX75 Wireless Mechanical Keyboard, highlighting its responsiveness and comfort.
Maintenance
1. Cleaning
To maintain the keyboard's appearance and functionality, regularly clean the keycaps and chassis. Use the included keycap puller to remove keycaps for thorough cleaning. Wipe surfaces with a soft, damp cloth. Avoid using harsh chemicals or abrasive materials.
2. Battery Management
The keyboard is equipped with a 4000mAh rechargeable battery. To prolong battery life:
- Charge the keyboard fully before first use.
- Avoid completely draining the battery frequently.
- If not using the keyboard for an extended period, turn off the backlight or power off the keyboard to conserve battery.
- Charge via the provided USB-C cable. The indicator light will flash green while charging and remain solid green when fully charged.
Image: Illustration highlighting the 4000mAh high-capacity battery.
Troubleshooting
- Keyboard not connecting: Ensure the correct mode (BT, 2.4G, or Wired) is selected via the side switch. For 2.4G, ensure the USB receiver is properly inserted. For Bluetooth, ensure the keyboard is in pairing mode and visible to your device. Try restarting the keyboard and your device.
- RGB lighting not working or inconsistent: Check FN key combinations for brightness and effect control. If issues persist, try reinstalling the driver software or updating the firmware.
- Keys not responding: Ensure the keyboard is powered on and connected. If only specific keys are affected, consider replacing the hot-swappable switch for that key.
- Control knob not functioning: Ensure the keyboard is powered on. If the knob becomes unresponsive after changing lighting modes, try switching modes again or restarting the keyboard.
- Lag or input delay in wireless modes: Ensure the keyboard is within range of the receiver/device. Minimize interference from other wireless devices. Ensure the battery has sufficient charge.
Specifications
Image: Exploded view diagram of the keyboard's 5-layer gasket structure, showing components like PBT keycaps, linear switch, metal knob, PO cotton, IXPE switch underpad, PET voice actor pad, PCBA, soundproof base cotton, silicone base pad, and bottom cover.
| Feature | Detail |
|---|---|
| Brand | DAREU |
| Model Number | FLEX75 |
| Connectivity Technology | 2.4GHz wireless, Bluetooth, USB-C |
| Keyboard Description | 75% Wireless Mechanical Keyboard |
| Special Features | Anti-Ghosting, Backlit, Hot-Swappable, Multi-Pairing, Volume Roller |
| Keyboard Backlighting | RGB (16.8 million colors) |
| Battery Capacity | 4000mAh |
| Switch Type | Linear (Pegasus Switch) |
| Number of Keys | 79 |
| Compatible Operating Systems | Windows, macOS, Android, iOS, iPadOS |
| Item Weight | 882 g |
Image: Detailed specifications for the Pegasus Switch, including operation force, end force, pretravel, total travel, and operating life.
Warranty and Support
1. Warranty Information
The DAREU FLEX75 Gasket Wireless Mechanical Keyboard comes with a 1 Year Warranty from the date of purchase. This 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.
2. Customer Support
For technical assistance, warranty claims, or general inquiries, please contact DAREU customer support through their official website or the retailer where the product was purchased. Please have your product model number and proof of purchase ready when contacting support.
