1. Introduction
Thank you for choosing UGREEN FitBuds WS213 Open-Ear Headphones. These headphones are designed to provide a comfortable listening experience while maintaining awareness of your surroundings. Featuring advanced audio technology, clear call capabilities, and a secure fit, they are suitable for various activities including fitness, business, and entertainment.
Please read this manual thoroughly before using the product to ensure proper operation and to maximize your user experience.
2. Package Contents
- 1 x UGREEN FitBuds WS213 Bluetooth Headphones
- 1 x Charging Case
- 1 x USB-C Charging Cable
- 1 x User Manual

UGREEN FitBuds WS213 open-ear headphones and their charging case. The earbuds are black with silver accents, featuring an ear-hook design. The charging case is a compact, dark grey oval shape.
3. Product Overview
The UGREEN FitBuds WS213 feature an open-ear design with adjustable ear hooks for a secure and comfortable fit. They incorporate advanced audio and call technologies to enhance your listening and communication experience.
Key Features:
- Open-Ear Design: Allows you to hear your music and surroundings simultaneously.
- Ergonomic Ear Hooks: Memory titanium alloy connectors ensure a comfortable and stable fit for various ear sizes.
- High-Fidelity Sound: Equipped with 11mm*18mm PU + Bio-diaphragm units for powerful bass and clear audio.
- AI Clear Call Technology: Four microphones and ENC noise reduction algorithm provide clear conversations in noisy environments.
- Bluetooth 6.0: Offers stable, low-latency wireless connectivity for seamless audio and video synchronization.
- IPX5 Water Resistance: Protects against sweat and light rain, making them suitable for workouts and outdoor use.
- Extended Playtime: Up to 8 hours on a single charge, with a total of 28 hours using the charging case.

A woman wearing a UGREEN FitBuds WS213 earbud, demonstrating the comfortable and ergonomic open-ear fit. The earbud sits securely over the ear, allowing for ambient awareness.

An exploded view of a UGREEN FitBuds WS213 earbud, highlighting the internal 11mm*18mm titanium drivers and bio-diaphragm unit responsible for HiFi sound and IMAX-grade surround bass.

A close-up of a UGREEN FitBuds WS213 earbud, showing the placement of its four microphones for clear calls and environmental noise reduction.

A transparent view of a UGREEN FitBuds WS213 earbud, revealing the internal Bluetooth 6.0 chip for stable and efficient wireless connectivity.
4. Setup and Pairing
Initial Pairing:
- Ensure the earbuds are charged.
- Open the charging case. The earbuds will automatically enter pairing mode, indicated by a flashing LED light.
- On your device (smartphone, tablet, etc.), enable Bluetooth.
- Search for "UGREEN FitBuds" in the list of available Bluetooth devices and select it to connect.
- Once connected, the LED indicator on the earbuds will stop flashing.
UGREEN Home App:
For enhanced features and customization, download the UGREEN Home app from your device's app store. The app allows you to:
- Adjust equalizer settings (pop, rock, jazz, bass, etc.).
- Customize touch controls.
- Activate game mode and spatial sound effects.
- Use the 'Find My Earbuds' feature.
Simultaneous Connection for Two Devices:
The FitBuds support connecting to two devices simultaneously. To enable this feature, activate 'Dual Link' within the UGREEN Home app. This allows for one-tap switching between devices without re-pairing.

UGREEN FitBuds WS213 earbuds and charging case displayed alongside a smartphone and tablet, showcasing the simultaneous connection feature for two devices.
5. Wearing Instructions
For optimal sound quality and comfort, ensure the earbuds are worn correctly.
- Take out the earbuds from the case.
- Position the earbud over your ear.
- Gently pivot it backward until it fits securely and comfortably.

A three-step diagram showing how to properly wear the UGREEN FitBuds WS213 open-ear headphones, from taking them out of the case to positioning and securing them over the ear.
6. Operating Instructions
The UGREEN FitBuds WS213 feature seamless touch controls on each earbud for easy management of music, calls, and voice assistant functions.
Touch Controls:
- Play/Pause: Single-tap the L/R earbud.
- Next Track: Press and hold the R earbud for 1 second.
- Previous Track: Press and hold the L earbud for 1 second.
- Answer/End Call: Double-tap the L/R earbud.
- Decline Incoming Call: Press and hold the L/R earbud for 1 second.
- Activate Voice Assistant: Double-tap the L earbud.
- Music/Game Mode Switch: Double-tap the R earbud.

A detailed diagram of the UGREEN FitBuds WS213 touch controls, showing specific actions for left and right earbuds for music, calls, and voice assistant.
7. Charging
To charge your UGREEN FitBuds WS213:
- Place the earbuds into the charging case. Ensure they are correctly seated.
- Close the charging case. The earbuds will begin charging automatically.
- To charge the case, connect it to a power source using the provided USB-C charging cable.
Battery Life:
- Single earbud playtime: Up to 8 hours.
- Total playtime with charging case: Up to 28 hours.
- Earbud charging time: Approximately 1.5 hours.
- Charging case charging time: Approximately 2 hours.
- Quick charge: 10 minutes of charging provides approximately 2 hours of playtime.

UGREEN FitBuds WS213 earbuds and charging case, illustrating the total 28-hour playtime. Text indicates 8 hours on a single charge and 2 hours of playtime from a 10-minute charge.
8. Maintenance
Cleaning:
- Regularly clean the earbuds and charging case with a soft, dry, lint-free cloth.
- Do not use abrasive cleaners, alcohol, or chemical solvents.
- Ensure charging contacts on both earbuds and case are clean and dry.
Storage:
- Store the earbuds in their charging case when not in use to protect them and keep them charged.
- Avoid storing in extreme temperatures or high humidity.
Water Resistance (IPX5):
The earbuds are IPX5 water-resistant, meaning they can withstand splashes and sweat. They are not designed for submersion in water. Ensure earbuds are dry before placing them back in the charging case to prevent damage.

A man running outdoors in the rain, wearing UGREEN FitBuds WS213 earbuds, demonstrating their IPX5 water resistance for fitness and outdoor activities.
9. Troubleshooting
No Sound/Poor Sound Quality:
- Ensure earbuds are properly paired with your device.
- Check the volume level on both your device and the earbuds.
- Ensure earbuds are clean and free from debris.
- Try re-pairing the earbuds with your device.
Earbuds Not Charging:
- Ensure the charging case has sufficient battery.
- Verify that the earbuds are correctly seated in the charging case.
- Clean the charging contacts on both the earbuds and the case.
- Try using a different USB-C cable and power adapter.
Connection Issues:
- Ensure Bluetooth is enabled on your device.
- Move the earbuds closer to your device.
- Restart your device and the earbuds (by placing them in the case and taking them out again).
- Clear the Bluetooth pairing history on your device and re-pair.
10. Specifications
| Model Number | WS213 |
| Brand | UGREEN |
| Ear Placement | Open Ear |
| Form Factor | Open Ear |
| Connectivity Technology | Wireless (Bluetooth 6.0) |
| Water Resistance | IPX5 |
| Microphones | 4 (with ENC noise reduction) |
| Drivers | 11mm*18mm PU + Bio-diaphragm Unit |
| Single Earbud Playtime | Up to 8 hours |
| Total Playtime (with case) | Up to 28 hours |
| Charging Port | USB-C |
| Control Type | App Control, Touch Control |
| Item Weight | 0.16 Kilograms |
| Manufacturer | Ugreen Group Limited |
| Country of Origin | China |
11. Warranty and Support
UGREEN provides comprehensive support for its products:
- Warranty: 24-month warranty from the date of purchase.
- Customer Service: 24-hour customer service is available for any inquiries or issues.
- Technical Support: Lifetime technical support is provided for the product.
For assistance, please refer to the contact information provided on the UGREEN official website or your purchase documentation.







