1. Product Overview
The Boytond Bluetooth Headset V5.3, Model YYK-520, is a single-ear wireless earbud designed for clear communication and extended use. Featuring Bluetooth 5.3 technology for stable connections, CVC8.0 noise cancellation for calls, and a 500mAh charging case providing up to 100 hours of total usage time. Its ergonomic design ensures comfort for either ear, and intuitive controls simplify operation.
2. What's in the Box
- 1x Single Ear Bluetooth Headset
- 1x Charging Case
- 1x Charging Cable (USB-C)
- 1x User Manual
- S/M/L Ear Tips (one set pre-installed, two additional sets)
Image: The Boytond Bluetooth Headset YYK-520, its charging case, and included accessories.
3. Setup
3.1 Charging the Headset and Case
Before first use, fully charge the headset and charging case. The headset charges automatically when placed inside the case. The charging case features an LED digital display to show its remaining power.
- Charging the Headset: Place the headset into the charging case. Ensure the charging contacts align. The headset will begin charging.
- Charging the Case: Connect the provided USB-C charging cable to the charging port on the case and to a compatible USB power source. The LED display will indicate charging progress. A full charge takes approximately 1.5 hours.
Image: Visual representation of charging the headset within its case and charging the case itself using a USB-C cable.
3.2 Bluetooth Pairing
The headset uses Bluetooth 5.3 for quick and stable connections.
- Power On: The headset automatically powers on when removed from the charging case. Alternatively, press and hold the Multi-Function Button (MFB) for 3 seconds until the LED indicator flashes blue and red, indicating pairing mode.
- Activate Bluetooth: On your device (smartphone, tablet, laptop), enable Bluetooth.
- Select Device: In your device's Bluetooth settings, search for "YYK-520" and select it to pair.
- Confirmation: Once successfully paired, the headset's LED indicator will flash blue slowly, and you will hear a voice prompt "Connected."
Image: A visual of the Bluetooth 5.3 technology chip, highlighting stable and fast connectivity.
4. Operating Instructions
4.1 Wearing the Headset
The YYK-520 headset is designed for ergonomic comfort and can be worn on either ear.
- Adjust Ear Hook: The ear hook can rotate 270° to fit comfortably over your ear.
- Adjust Microphone: The microphone boom swivels 180°, allowing you to position it optimally for voice capture, regardless of which ear you wear the headset on.
- Select Ear Tip: Choose from the provided S/M/L ear tips for the best fit and comfort.
Image: The headset demonstrating its 270° rotating ear hook and 180° swiveling microphone for universal fit.
4.2 Button Functions
The headset features intuitive one-button controls for various functions:
- MFB (Multi-Function Button):
- Power On/Off: Press and hold for 3 seconds.
- Answer/End Call: Single press.
- Reject Call: Press and hold for 2 seconds.
- Redial Last Number: Double press.
- Play/Pause Music: Single press.
- Activate Voice Assistant (Siri/Google Assistant): Press and hold for 2 seconds.
- Volume Up Button (+):
- Increase Volume: Single press.
- Next Track: Press and hold for 1 second.
- Volume Down Button (-):
- Decrease Volume: Single press.
- Previous Track: Press and hold for 1 second.
- Mute Function: During a call, press the MFB key to mute/unmute your microphone.
Image: A diagram illustrating the various button functions and their corresponding actions on the headset.
4.3 Dual Device Connection
The headset supports simultaneous connection to two Bluetooth-enabled devices.
- Pair the headset with the first device as described in Section 3.2.
- Disable Bluetooth on the first device.
- Put the headset back into pairing mode (LED flashes red/blue).
- Pair the headset with the second device.
- Re-enable Bluetooth on the first device. The headset should automatically connect to both devices.
- To switch between devices, pause audio/end call on the active device, then initiate audio/call on the other device.
5. Maintenance
- Cleaning: Use a soft, dry cloth to clean the headset and charging case. Do not use harsh chemicals or abrasive materials.
- Storage: When not in use, store the headset in its charging case to protect it and keep it charged. Store in a cool, dry place away from direct sunlight and extreme temperatures.
- Avoid Water: While designed for daily use, avoid submerging the headset in water.
6. Troubleshooting
| Issue | Possible Solution |
|---|---|
| Headset won't power on. | Ensure the headset is charged. Place it in the charging case or connect directly to a power source. |
| Cannot pair with device. |
|
| No sound or low volume. |
|
| Intermittent connection/disconnection when not in use. | This can sometimes occur with Bluetooth devices. Ensure the headset is within range of your device. If not actively using, consider powering off the headset or placing it in its charging case. |
| Microphone not working. |
|
7. Specifications
| Feature | Detail |
|---|---|
| Model Name | YYK-520 |
| Brand | Boytond |
| Connectivity Technology | Bluetooth 5.3 |
| Wireless Communication Technology | Bluetooth |
| Noise Control | Active Noise Cancellation (CVC8.0) |
| Battery Life (Headset) | Up to 11 Hours |
| Charging Case Battery | 500 mAh (up to 100 hours total usage time with case) |
| Charging Time | 1.5 Hours |
| Bluetooth Range | 10 Meters |
| Item Weight | 12 Grams (0.423 ounces) |
| Material | Plastic |
| Compatible Devices | Laptops, Desktops, Tablets, Telephones, Smart Speakers, Televisions, Cellphones |
| Control Type | Button, Touch, Siri Voice Assistant |
| Ear Placement | In Ear |
8. Warranty and Support
Boytond is committed to providing excellent customer service and product satisfaction.
- 24-Hour Online Customer Service: For any inquiries regarding product delivery, satisfaction, usage issues, or other suggestions, please contact the Boytond After-sales Service Team directly.
- 365-Day Positive Service: If you encounter missing parts, product malfunction, damage, or other problems, Boytond guarantees a 100% satisfactory solution within 365 days, at no cost to you. Products with quality defects will be replaced or fully refunded.
Image: Information regarding Boytond's 24-hour online customer service and 365-day positive service.
9. Product Videos
Video: An overview of the Boytond Bluetooth Headset, demonstrating its features and functionality.
