Introduction
Thank you for purchasing the EUQQ YYK-Q16 Open-Ear Bluetooth Earphones. This manual provides essential information for the safe and effective use of your device. Please read it thoroughly before use and keep it for future reference.
Product Overview
The EUQQ YYK-Q16 earphones feature an open-ear design, Bluetooth 5.4 connectivity, and SurroundWave 8D audio processing technology for an immersive listening experience while maintaining awareness of your surroundings. They are designed for comfort and stability during various activities.
Key Features:
- Open-Ear Design: Allows you to hear ambient sounds for safety and awareness.
- SurroundWave 8D Audio: Enhances sound direction, distance, and depth for a realistic audio experience.
- 14.2mm Drivers: Delivers balanced audio from low to high frequencies.
- Bluetooth 5.4: Provides stable connection, reduced power consumption, and improved transmission range and speed.
- Long Battery Life: Up to 10 hours on a single charge, and up to 60 hours with the charging case.
- IPX7 Waterproof: Resistant to sweat and rain, suitable for sports and outdoor use.
- Ergonomic Ear-Hook Design: Ensures a secure and comfortable fit without pressure.
- Touch Controls: Easy management of music playback, calls, and voice assistants.
- Automatic Pairing: Connects instantly to your device after initial setup.

Image: Comparison of earphone types, emphasizing the open-ear design and 14.2mm driver of the YYK-Q16.

Image: Users wearing the earphones in different environments, illustrating the benefit of maintaining situational awareness.
Package Contents:
Please check that all items are present in the package:
- YYK-Q16 Earphones x 1 pair
- Charging Case x 1
- USB-C Charging Cable x 1
- Instruction Manual x 1

Image: Package contents of EUQQ YYK-Q16 earphones, including earphones, charging case, USB-C cable, and manual.
Setup
1. Initial Charging:
Before first use, fully charge the earphones and the charging case. Connect the USB-C charging cable to the charging case and a power source. The LED display on the case will indicate the charging status.

Image: The charging case with earphones inside, connected via USB-C cable, displaying battery percentage.
2. Power On/Off:
- Power On: Open the charging case lid and remove the earphones. They will automatically power on.
- Power Off: Place the earphones back into the charging case and close the lid. They will automatically power off and begin charging.

Image: Visual guide for powering the earphones on by removing them from the case and off by returning them to the case.
3. Bluetooth Pairing:
- Ensure the earphones are charged.
- Open the charging case and remove both earphones. They will automatically enter pairing mode.
- On your device (smartphone, tablet, PC), enable Bluetooth.
- Search for "YYK-Q16" in the list of available Bluetooth devices and select it to connect.
- Once paired, the earphones will automatically connect to your device when removed from the case in the future.
Wearing Instructions
The YYK-Q16 earphones feature an ergonomic ear-hook design for a comfortable and secure fit. Follow these steps for optimal wearing:
- Take out the earphone from the charging case.
- Hook the earphone over your ear, resting the main body on the outer ear.
- Rotate the earphone to slide it behind your ear, adjusting the ear hook for a snug fit.
- Ensure the earphone is securely fitted and comfortable. The flexible silicone ear hooks can be adjusted to fit various ear shapes and sizes.

Image: Step-by-step guide demonstrating how to wear the earphones, showing the ear hook placement and adjustment.
The lightweight design (approx. 8g per earphone) and soft silicone material ensure comfort even during prolonged use, and they can be worn comfortably with glasses.
Operating Instructions
The YYK-Q16 earphones feature touch controls for easy management of audio and calls.
Touch Controls (MFB - Multi-Function Button):
| Function | Action |
|---|---|
| Play/Pause Music | Single tap on either earphone |
| Answer/End Call | Single tap on either earphone |
| Reject Call | Press and hold for 2 seconds on either earphone |
| Next Track | Double tap on the right earphone |
| Previous Track | Double tap on the left earphone |
| Volume Up | Triple tap on the right earphone |
| Volume Down | Triple tap on the left earphone |
| Activate Voice Assistant (Siri/Google Assistant) | Press and hold for 2 seconds on either earphone (when not on a call) |

Image: Visual representation of the touch control functions for the earphones.
Single/Twin Mode:
The earphones can be used individually (mono mode) or as a pair (stereo mode). Simply take out one or both earphones from the charging case to switch modes.
Maintenance
- Clean the earphones and charging case regularly with a soft, dry cloth.
- Avoid using harsh chemicals or abrasive materials for cleaning.
- Keep the charging contacts on both the earphones and the case clean to ensure proper charging.
- Store the earphones in the charging case when not in use to protect them and conserve battery.
- Avoid exposing the earphones to extreme temperatures, humidity, or direct sunlight.
- While the earphones are IPX7 waterproof, avoid prolonged submersion in water and do not use them in saunas or bathrooms with high steam.
Troubleshooting
| Problem | Solution |
|---|---|
| Earphones do not power on. | Ensure the earphones are charged. Place them in the charging case and close the lid, then open it and remove them again. |
| Cannot pair with device. |
|
| No sound or intermittent sound. |
|
| Earphones not charging. |
|
| Sound leakage is noticeable. | While open-ear designs allow some ambient sound, ensure the earphones are positioned correctly on your ears. Reduce volume if necessary. |
Specifications
| Feature | Detail |
|---|---|
| Model Name | YYK-Q16 |
| Bluetooth Version | 5.4 |
| Wireless Technology | Bluetooth |
| Driver Size | 14.2 mm |
| Frequency Response | Up to 30000 KHz |
| Impedance | 14.2 Ohms |
| Continuous Playback Time | Up to 10 hours (earphones only), up to 60 hours (with charging case) |
| Charging Time (Case) | Approx. 1.5 hours |
| Charging Port | USB Type-C |
| Water Resistance | IPX7 (Waterproof) |
| Control Type | Touch |
| Voice Assistant Support | Siri/Google Assistant |
| Material | Silicone, Metal |
| Product Dimensions | 15 x 10.4 x 3.3 cm |
| Product Weight | 140 g |
| Compatible Devices | iOS/Android smartphones (iPhone, Galaxy, Huawei, Xiaomi, OPPO, Xperia, Nexus, ASUS, Fujitsu), iPads, iPods, Windows/Macbook PCs, gaming consoles. |
Warranty and Support
Your EUQQ YYK-Q16 earphones come with a 12-month quality warranty. Additionally, registered members may receive an extended 3-month warranty.
For any product defects or inquiries, please contact our customer support. When contacting us, please provide your order number. We are committed to improving product quality and addressing any issues promptly.

Image: Warranty information and customer support contact details.
For customer support, please visit the EUQQ store on Amazon or refer to the contact information provided in your purchase documentation. You can also reach out via the "Account Services" -> "Order History" -> "Contact Seller" section on Amazon.




