1. Introduction
The LINGBAO K87 is a versatile mechanical keyboard designed for both gaming and office use, featuring three connection modes: wired (Type-C), 2.4G wireless, and Bluetooth 5.0. It boasts a durable PBT keycap construction, hot-swappable switches, and a high-capacity battery for extended wireless use. This manual provides detailed instructions for setting up, operating, maintaining, and troubleshooting your keyboard.
Image: LINGBAO K87 Series Keyboard Overview, highlighting its three connection modes: Type-C, 2.4G Wireless, and Bluetooth.
2. Package Contents
Please check the box for the following items:
- 1 x LINGBAO K87 Mechanical Keyboard
- 1 x Dust Cover
- 2 x Spare Switches
- 1 x USB-A to USB-C Cable
- 1 x Switch Puller & Keycap Puller
- 1 x User Manual
- 1 x Quick Start Card (included only for IP models)
Image: Detailed product specifications and the complete packing list.
3. Specifications
| Feature | Description |
|---|---|
| Brand Name | AULA |
| Model | LINGBAO K87 Series |
| Keyboard Standard | 87 Keys |
| Interface Type | USB, Bluetooth / USB, Type-C, Bluetooth (Three-mode connection) |
| Type | 2.4Ghz Wireless, Bluetooth 5.0, Wired (Type-C) |
| Operation Style | Mechanical |
| Switches Hot Swap | Yes (Full key hot plug) |
| Keycup Material | PBT plastic (Two-color injection molding) |
| Battery Capacity | 10000 mAh (K87 Blue version: 8000 mAh) |
| Battery Included | Yes |
| Approximate Size | 366.78 * 142.91 * 42.85 mm |
| Structure | E-sports GASKET structure (5-layer full filling) |
| Reporting Rate | 1000Hz |
| Language | English |
| Application | Desktop, Laptop, Number |
| Wrist Support | No |
Image: Key features of the LINGBAO K87, including 10000mAh battery, three-mode connection, and Gasket structure.
4. Setup and Connection
The LINGBAO K87 keyboard supports three connection modes: Wired (Type-C), 2.4G Wireless, and Bluetooth 5.0. You can switch between these modes easily.
4.1 Wired Connection (Type-C)
- Connect the provided USB-A to USB-C cable to the Type-C port on the keyboard.
- Plug the USB-A end of the cable into an available USB port on your computer.
- The keyboard will be automatically recognized and ready for use.
4.2 2.4G Wireless Connection
- Locate the 2.4G wireless receiver (USB dongle), often magnetically stored within the keyboard.
- Plug the 2.4G wireless receiver into an available USB port on your computer.
- Switch the keyboard to 2.4G wireless mode (refer to the keyboard's mode switch, usually located on the back or side).
- The keyboard should connect automatically.
Image: Illustration of the 2.4G wireless receiver and its connection.
4.3 Bluetooth 5.0 Connection
- Switch the keyboard to Bluetooth mode (refer to the keyboard's mode switch).
- On your device (laptop, tablet, smartphone), enable Bluetooth and search for new devices.
- Select "LINGBAO K87" (or similar name) from the list of available devices to pair.
- Follow any on-screen prompts to complete the pairing process.
Image: Visual representation of the keyboard's three connection modes and compatibility with various operating systems.
5. Operating Instructions
5.1 Backlight Effects
The LINGBAO K87 features customizable RGB dazzling lights. You can switch between 17 different backlight effects using the FN key combined with specific group keys. Some of the available effects include:
- Go with the flow
- Follow closely like a shadow
- Sinusoidal light wave
- Rotating Windmill
- Colorful Falls
- Flowers bloom with wealth and honor
- Dreamlike Rainbow
- Game Mode
- On the verge
- Close Mode
- Strolling in the rain
- Normally bright mode
- Breathing mode
- Snowfall without Traces
- Never-ending flow
- Key Ripple
- Twinkling stars
Image: A comprehensive list of 17 FN+Group key combinations for switching backlight effects.
5.2 Driver Software
The keyboard comes with a Lingbao Self-developed Driver (Windows only) that allows for hardware macro programming and music rhythm settings. Install the driver on your Windows PC to unlock advanced customization options.
Image: Details on the Lingbao Self-developed Driver for advanced keyboard customization.
5.3 Battery Management
The LINGBAO K87 is equipped with a large capacity lithium battery (10000 mAh for most versions, 8000 mAh for K87 Blue version). Ensure the keyboard is charged via the Type-C cable when the battery is low. The battery offers approximately 9000 hours of standby time and 600 hours of working time.
Image: Battery specifications including capacity, standby, and working hours.
6. Maintenance
6.1 Cleaning the Keyboard
- Use the provided dust cover when the keyboard is not in use to prevent dust accumulation.
- For general cleaning, use a soft, dry cloth.
- For deeper cleaning, you may carefully remove keycaps using the provided keycap puller and clean underneath with compressed air or a small brush.
6.2 Replacing Switches and Keycaps
The LINGBAO K87 features a full key hot-swap design, allowing you to easily replace mechanical switches without soldering. The PBT keycaps are also durable and can be removed for cleaning or customization.
- Keycap Removal: Use the keycap puller to gently grip and pull up on the keycap you wish to remove.
- Switch Removal: Use the switch puller to carefully clamp the top and bottom clips of the switch, then gently pull the switch upwards.
- Switch Installation: Align the new switch's pins with the holes on the PCB and press down firmly until it clicks into place. Ensure the pins are not bent.
- Keycap Installation: Align the keycap with the switch stem and press down gently until it is secure.
Image: Detail of the single-key slotted PCB supporting full key hot-swap for easy switch replacement.
7. Troubleshooting
- Keyboard not responding: Ensure the keyboard is properly connected (wired, 2.4G receiver, or Bluetooth paired). Check the battery level and charge if necessary. Try switching between connection modes.
- Keys not registering: If specific keys are not working, try removing and re-inserting the switch for that key, as the hot-swap feature allows for easy reseating. Ensure the switch pins are not bent.
- 2.4G Wireless connection issues: Ensure the USB receiver is securely plugged in and the keyboard is in 2.4G mode. Try plugging the receiver into a different USB port.
- Bluetooth connection issues: Ensure Bluetooth is enabled on your device and the keyboard is in Bluetooth pairing mode. Remove the keyboard from your device's paired list and try pairing again.
- Backlight not working or incorrect: Check if the backlight is turned off or set to a very dim setting. Cycle through the backlight effects using FN+Group keys.
- Driver not recognizing keyboard: Ensure the keyboard is connected via wired mode to install and use the driver. The driver is compatible with Windows only.
8. User Tips
- For optimal gaming performance, utilize the 1000Hz reporting rate in wired or 2.4G wireless mode.
- Experiment with different mechanical switches to find your preferred typing or gaming feel, thanks to the hot-swap feature.
- Regularly clean your keyboard, especially if you frequently swap keycaps or switches, to maintain performance and aesthetics.
- Take advantage of the dual-section tripod feet to adjust the keyboard's angle for ergonomic comfort.
Image: The dual-section tripod feet, allowing for adjustable keyboard tilt.
9. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the official product website or contact the retailer where you purchased the LINGBAO K87 keyboard. Keep your proof of purchase for any warranty claims.
