Introduction
This manual provides essential information for the safe and effective use of your HAKII LINK Open-Ear Wireless Earbuds. Designed for comfort and situational awareness, these earbuds feature Bluetooth 5.4 connectivity, IPX5 water resistance, and touch controls. Please read this manual thoroughly before use and retain it for future reference.
What's in the Box
Verify that all items are present upon unboxing:
- HAKII LINK Earbuds
- Charging Case
- USB-C Charging Cable
- User Manual

Product Overview
The HAKII LINK Open-Ear Wireless Earbuds are designed for a comfortable, secure fit that allows you to remain aware of your surroundings while enjoying high-quality audio. Each earbud weighs approximately 7.5g, featuring a flexible titanium core and soft silicone grip for stability during various activities. The open-ear design, combined with AbTube Technology and 12mm Hi-Fi drivers, delivers clear audio with rich bass while minimizing sound leakage.





Setup
Pairing Your Earbuds
Follow these steps to pair your HAKII LINK earbuds with your Bluetooth device:
- Ensure Bluetooth is enabled on your device (e.g., smartphone, tablet).
- Open the charging case lid. The earbuds will automatically power on and enter pairing mode, indicated by a slow blinking white light on the case.
- On your device, navigate to Bluetooth settings and select "HAKII LINK" from the list of available devices.
- Once connected, the white light on the charging case will turn off, indicating successful pairing.

Video: How to Pair HAKII Link Earbuds with Bluetooth
Wearing Instructions
Proper placement ensures optimal sound quality and comfort. The earbuds are designed to clip securely onto your earlobe.
- Hold the earbud with the small part on your ear and the big part behind.
- Align the earbud with the edge of your outer ear.
- Gently insert the earbud into the ear canal.
- Adjust the earbuds slightly up or down until they fit snugly and the sound is clear.

Video: HAKII Open Ear Wireless Earbuds - Wearing Tutorial
Video: See how easy these earbuds are to put on!
Operating Instructions
The HAKII LINK earbuds feature intuitive touch controls for managing your audio and calls.
Touch Controls
| Function | Action |
|---|---|
| Play/Pause | Click the touch area twice |
| Previous Song | Press and hold the left touch area for 2 seconds |
| Next Song | Press and hold the right touch area for 2 seconds |
| Answer Call | Click the touch area twice |
| Reject Call | Press the touch area for 2 seconds |
| Siri/Voice Assistant | Click either side 3 times |

Remote Camera Control
The charging case doubles as a remote control for your phone's camera. Connect the "LINK CONTROL" Bluetooth device to your phone. Press the button on the charging case to activate your phone's camera shutter, allowing you to capture photos or start/stop video recording remotely.

Charging
The HAKII LINK earbuds provide up to 6 hours of playtime on a single charge, with an additional 18 hours provided by the charging case, totaling 24 hours of playtime. The charging case itself has a 400mAh battery capacity and takes approximately 1.5 hours to fully charge via the USB-C port.

HAKII App
Enhance your experience with the HAKII App, available for download on your smartphone. The app allows for personalized settings and additional features:
- Personalized EQ Modes: Customize your audio with preset EQ modes or create your own sound profiles.
- Multi-Device Switching: Seamlessly switch between connected devices.
- Find My Earbuds: Locate misplaced earbuds.
- Voice Control: Enable or disable voice commands.
- Remote Camera Control: Access camera functions directly from the app.
- White Noise: Play various white noise sounds for relaxation or focus.
- Touch Control Settings: Assign custom actions to touch controls.
- OTA Update: Receive over-the-air firmware updates.

Specifications
| Feature | Specification |
|---|---|
| Brand | HAKII |
| Model Name | HAKII LINK |
| Color | Black |
| Ear Placement | Open Ear |
| Connectivity Technology | Wireless (Bluetooth) |
| Bluetooth Version | 5.4 |
| Bluetooth Range | 10 Meters (without obstacles) |
| Audio Driver Size | 12 Millimeters |
| Impedance | 32 Ohms |
| Frequency Range | 20-20000 Hz |
| Sensitivity | 104 dB |
| Audio Latency | 80 Milliseconds |
| Noise Control | Environmental Noise Cancellation (ENC) |
| Control Type | Touch Control, App, Voice |
| Water Resistance Level | IPX5 (Water Resistant) |
| Earbud Weight | 7.5 Grams (per earbud) |
| Carrying Case Weight | 40 Grams |
| Battery Charge Time (Case) | 1.5 Hours |
| Playtime (Earbuds alone) | Up to 6 Hours |
| Total Playtime (with Case) | Up to 24 Hours |
| Compatible Devices | Cellphones, Laptops, Tablets, Telephones, iPhone |
Maintenance
To ensure the longevity and optimal performance of your HAKII LINK earbuds, follow these maintenance guidelines:
- Cleaning: Regularly wipe the earbuds and charging case with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials.
- Water Exposure: While IPX5 water-resistant, avoid submerging the earbuds in water. Dry them thoroughly after exposure to sweat or rain before placing them back in the charging case.
- Storage: Store the earbuds in their charging case when not in use to protect them from dust and damage. Keep them in a cool, dry place away from extreme temperatures.
- Charging: Use the provided USB-C cable for charging. Avoid using damaged cables or chargers.
Troubleshooting
If you encounter issues with your HAKII LINK earbuds, try the following solutions:
- No Power: Ensure the earbuds and charging case are fully charged.
- Pairing Issues: Turn off and on your device's Bluetooth. Place the earbuds back in the case, close the lid, then open it again to re-enter pairing mode. If issues persist, try forgetting the device in your Bluetooth settings and re-pairing.
- No Sound/Low Volume: Check the volume levels on both your device and the earbuds. Ensure the earbuds are properly seated in your ears.
- Intermittent Connection: Ensure your device is within the Bluetooth range (10 meters) and there are no significant obstacles between the earbuds and your device.
- Touch Control Unresponsive: Ensure the touch area is clean and dry. Try restarting the earbuds by placing them in the case and taking them out again.
Warranty & Support
The HAKII LINK Open-Ear Wireless Earbuds come with a 1-year warranty from the date of purchase. For warranty claims, technical support, or any inquiries, please contact HAKII_Official customer service through their official channels or the retailer where the product was purchased.
For more information and support, visit the official HAKII website.





