1. Introduction
The UGREEN HiTune S3 True Wireless Earbuds are designed to provide a comfortable and immersive audio experience with an open-ear clip design. Featuring Bluetooth 5.4 for stable connectivity, AI Environmental Noise Cancellation for clear calls, and IPX5 water resistance, these earbuds are suitable for various activities, including sports. Enjoy panoramic sound and low latency for both music and gaming.
2. Package Contents
Please check the package for the following items:
- UGREEN HiTune S3 True Wireless Earbuds (Left and Right)
- Charging Case
- USB-C Charging Cable
- User Manual (this document)
3. Specifications
| Feature | Detail |
|---|---|
| Brand Name | UGREEN |
| Model Name | W209 (HiTune S3) |
| Product Name | UGREEN HiTune S3 True Wireless Earbuds |
| Bluetooth Version | V5.4 |
| Bluetooth Protocol | HFP/AVRCP/A2DP |
| Transmission Distance | Up to 10m |
| Waterproof Rating | IPX5 |
| Audio Decoding | AAC/SBC |
| Playtime (Single Charge) | Up to 7.5 hours |
| Playtime (with Charging Case) | Up to 30 hours |
| Earbud Battery Capacity | 50mAh |
| Charging Case Battery Capacity | 500mAh |
| Earbuds Charging Time | Approx. 1.5 hours |
| Charging Case Charging Time | Approx. 2 hours |
| Charging Port | USB-C |
| Earbud Weight (One) | 5.3g |
| Material | Metal, PVC |
| Vocalism Principle | Dynamic |
4. Setup
4.1 Charging the Earbuds and Case
Before first use, fully charge the earbuds and the charging case.
- Place the earbuds into the charging case.
- Connect the USB-C charging cable to the charging port on the case and to a power source.
- The indicator lights on the case will show the charging status.
- A 15-minute charge can provide approximately 2 hours of playtime for the earbuds.
4.2 Bluetooth Pairing
To connect your earbuds to a device:
- Open the charging case. The earbuds will automatically enter pairing mode.
- On your device (smartphone, tablet, etc.), enable Bluetooth.
- Search for "UGREEN HiTune S3" in the list of available Bluetooth devices.
- Select "UGREEN HiTune S3" to connect. Once connected, you will hear a confirmation sound.
- The earbuds feature a 0.06-second flash connection, meaning they will automatically connect to the last paired device when taken out of the case after the initial setup.
5. Operating Instructions
5.1 Wearing the Earbuds
The HiTune S3 earbuds feature an ergonomic clip design for a secure and comfortable fit. Gently clip them onto your ears, ensuring they sit comfortably without causing pressure points. The design is intended to distribute pressure evenly around the ears.
5.2 Touch Controls
The earbuds are equipped with touch-sensitive controls on both the left and right earbuds for easy management of music, calls, and voice assistant functions.
| Function | Action |
|---|---|
| Play/Pause Music | Single-tap on L/R earbud |
| Switch to Gaming Mode/Music Mode | Double-tap on R-earbud |
| Next Track | Press and hold R-earbud for 1 second |
| Previous Track | Press and hold L-earbud for 1 second |
| Answer/End a Call | Double-tap on L/R earbud |
| Decline a Call | Press and hold L/R earbud for 1 second |
| Activate Voice Assistant | Double-tap on L-earbud |
5.3 Sound Features
- 360° Panoramic Sound: Experience enhanced sound clarity and reduced latency for an immersive listening experience.
- AI Environmental Noise Cancellation (ENC): Enjoy clear, high-definition calls even in noisy environments, making conversations feel like face-to-face interactions.
- Low Latency: With a latency of 0.06 seconds, the earbuds ensure stable and accurate audio and video synchronization, ideal for gaming and multimedia.
- Air Conduction Technology: This technology enhances comfort and reduces the risk of hearing damage by delivering sound without blocking the ear canal.
6. Maintenance
6.1 Cleaning
Regularly clean your earbuds and charging case to ensure optimal performance and hygiene. Use a soft, dry, lint-free cloth. Avoid using abrasive materials or harsh chemicals.
6.2 Water Resistance
The earbuds are rated IPX5 waterproof, meaning they are protected against low-pressure water jets from any direction. This makes them suitable for use during workouts or in light rain. However, they are not designed for submersion in water. Avoid exposing them to strong water jets or swimming.
7. Troubleshooting
- Earbuds not pairing: Ensure both earbuds are in the charging case, then open the lid to initiate pairing mode. Check your device's Bluetooth settings and try reconnecting.
- No sound from one earbud: Place both earbuds back into the charging case, close the lid, wait a few seconds, then open it again. This can reset the connection.
- Charging issues: Verify that the USB-C cable is securely connected to both the charging case and the power source. Ensure the charging contacts on the earbuds and inside the case are clean and free of debris.
- Compatibility: The earbuds are compatible with most Bluetooth-enabled devices, including iPads and iPhones. Ensure your device's Bluetooth is enabled and updated.
- Water resistance: The earbuds are IPX5 waterproof, meaning they can withstand sweat and light rain. They are not suitable for swimming or showering.
8. User Tips
- For optimal comfort and sound quality, ensure the earbuds are properly clipped to your ears. The ergonomic design is meant to provide a stable fit, especially during physical activity.
- The open-ear design allows you to stay aware of your surroundings while enjoying audio, which is beneficial for outdoor sports or commuting.
- Take advantage of the AI Environmental Noise Cancellation for clearer calls in busy environments.
- Regularly check for firmware updates from UGREEN to ensure the best performance and new features.
9. Warranty and Support
UGREEN products come with a manufacturer's warranty. For detailed warranty information, technical support, or service inquiries, please refer to the official UGREEN website or contact their customer support directly. Keep your purchase receipt for warranty claims.
