1. Product Overview
The WIWU T20 Openbuds are lightweight, open-ear Bluetooth earphones designed for comfort and high-fidelity sound. They feature an ear-hook style for secure fit during activities, environmental noise cancellation (ENC) for clear calls, and IPX5 water resistance, making them suitable for sports and daily use. The charging case includes a digital display for battery status.
2. Package Contents
- WIWU T20 Openbuds Earphones (Left and Right)
- Charging Case
- USB Type-C Charging Cable
- User Manual
3. Setup and Charging
3.1 Charging the Earphones and Case
- Connect the provided USB Type-C cable to the charging port on the case and a power source.
- The digital display on the charging case will show the battery percentage.
- Place the earbuds into the charging case. They will automatically begin charging.
- A full charge provides up to 8 hours of listening time for the earbuds, with the charging case extending total battery life to up to 48 hours.
3.2 Wearing the Earphones
The T20 Openbuds feature an ear-hook design for a secure and comfortable fit without entering the ear canal. Gently place the ear-hook over your ear, positioning the earbud speaker near your ear opening.
3.3 Pairing with a Device
- Open the charging case. The earbuds will automatically enter pairing mode.
- On your device (smartphone, tablet, etc.), enable Bluetooth.
- Search for available Bluetooth devices and select "WIWU T20" (or similar name).
- Once connected, you will hear a confirmation tone.
4. Operating Instructions
4.1 Touch Controls
The WIWU T20 Openbuds feature intuitive touch controls on each earbud:
| Action | Left Earbud | Right Earbud |
|---|---|---|
| Single Click | Volume Minus | Volume Plus |
| Two Clicks | Pause/Play, Answer/Hang Up Call | |
| Three Clicks | Previous Song | Next Song |
| Hold for 3 Seconds | Evoke Voice Assistant | Game/Music Mode Switch |
4.2 Call Functions
The earbuds are equipped with ENC (Environmental Noise Cancellation) technology and 4 built-in microphones to ensure clear communication, even in noisy environments. Use two clicks to answer or hang up calls.
4.3 Sound Features
- 360° Panoramic Stereo Sound: Utilizes new panoramic air transmission technology to simulate a realistic 360-degree stereo surround sound field.
- Professional Directional Sound Transmission: Black technology ensures sound is transmitted directionally, protecting privacy and preventing audio leakage.
5. Maintenance and Care
- Cleaning: Regularly wipe the earbuds and charging case with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials.
- Water Resistance: The earbuds are IPX5 professional waterproof, meaning they are resistant to splashes and sweat. Do not submerge them in water. Ensure they are dry before placing them back in the charging case.
- Storage: When not in use, store the earbuds in their charging case to protect them and keep them charged.
6. Troubleshooting
- Earbuds not pairing: Ensure both earbuds are charged and in the case. Open the case to initiate pairing mode. Check your device's Bluetooth settings and try reconnecting.
- No sound: Verify the earbuds are connected to your device and the volume is turned up on both the earbuds and your device.
- Charging issues: Ensure the charging cable is securely connected and the power source is active. Clean the charging contacts on both the earbuds and the case if necessary.
- Unstable connection: Move closer to your connected device and away from potential interference sources (e.g., Wi-Fi routers, other Bluetooth devices).
7. Specifications
| Feature | Detail |
|---|---|
| Brand | WIWU |
| Model | T20 Openbuds (METRO 2) |
| Wireless Connection | Bluetooth 5.3 |
| Colors Available | Black, Beige (Khaki) |
| Charging Port | Type-C |
| Earbud Battery Capacity | 85mAh |
| Charging Case Battery Capacity | 400mAh |
| Standby Time | Up to 150 Days |
| Working Time | Approx. 8 hours (earbuds), up to 48 hours (with charging case) |
| Talk Time | Approx. 9 hours |
| Material | Metal (internal components/accents) |
| Sound Isolating | Yes |
| Waterproof Rating | IPX5 |
| Active Noise-Cancellation | Yes (ENC for calls) |
| Volume Control | Yes |
| Control Button | No (features touch controls) |
| Vocalism Principle | Balanced Armature |
| Style | Ear Hook |
| Certifications | CE, EAC, FCC, RoHS |
| Origin | Mainland China |
| Package Dimensions | 25cm (L) x 15cm (W) x 5cm (H) |
| Package Weight | 0.15 kg |
8. User Tips
- Secure Fit: The ear-hook design is ideal for active use. Ensure the hook is comfortably positioned over your ear for stability during exercise.
- Environmental Awareness: The open-ear design allows you to hear your surroundings, which is beneficial for outdoor activities like running or cycling for safety.
- Battery Management: Keep an eye on the digital display on the charging case to monitor battery levels and ensure your earbuds are always ready for use.
- Call Clarity: Position the earbuds correctly to maximize the effectiveness of the ENC call noise reduction for clearer conversations.
9. Warranty and Support
For any product inquiries, technical support, or warranty claims, please contact the seller or WIWU customer service directly. Keep your purchase receipt as proof of purchase.