1. Product Overview
The Sanag T51S is a high-performance noise-canceling earphone designed to deliver an immersive audio experience with advanced features like 48dB deep noise reduction, 360° spatial audio, and AI call noise cancellation. Equipped with Bluetooth 5.4, it ensures stable and efficient wireless connectivity.
2. Package Contents
Please check the package for the following items:
- Sanag T51S Earbuds (Left and Right)
- Charging Case
- USB Type-C Charging Cable
- User Manual
- (May include additional ear tips of various sizes)
3. Setup and First Use
3.1 Charging the Earphones and Case
Before first use, fully charge the earphones and the charging case.
- Via USB-C Cable: Connect the provided Type-C cable to the charging port on the case and a power source.
- Wireless Charging: Place the charging case on a compatible wireless charging pad.
The charging case has a battery capacity of 400mAh, and each earbud has a 40mAh battery. A full charge provides up to 7 hours of single earbud use and up to 30 hours with the charging case.
3.2 Pairing with a Device
The Sanag T51S earphones utilize Bluetooth 5.4 for a fast and stable connection.
- Open the lid of the charging case. The earphones will automatically enter pairing mode.
- On your device (smartphone, tablet, etc.), go to Bluetooth settings.
- Search for available devices and select "Sanag T51S" from the list.
- Once selected, the earphones will connect automatically.
3.3 Sanag App Installation
For enhanced functionality and customization, download the official Sanag App from your device's app store. The app unlocks features such as:
- Map Location & Remote Headset Positioning
- Noise Canceling Mode Switching (Noise Canceling/Normal/Transparent)
- Find Call & Headset Output Sound Search
- Master EQ Tuning & Customized Sound Selection
- Remaining Battery Display & Check Headset Battery Level
- Sanag AI (AI Voice/AI Raw Chart/AI Chat)
4. Operating Instructions
4.1 Basic Controls
The earphones feature control buttons for easy management of audio and calls:
- Play/Pause: Single press the control button on either earbud.
- Next Track: Double press the right earbud's control button.
- Previous Track: Double press the left earbud's control button.
- Answer/End Call: Single press the control button on either earbud during an incoming call.
- Reject Call: Press and hold the control button on either earbud during an incoming call.
- Volume Control: Adjust volume directly via your connected device or through the Sanag App.
4.2 Active Noise Cancellation (ANC) and Sound Modes
The T51S features ANC 3.0 technology, offering up to -48dB deep noise reduction and 4000Hz ultra wide-area noise reduction.
- Noise Canceling Mode: Ideal for blocking out ambient noise in loud environments like commuting or busy offices.
- Normal Mode: Standard audio experience without noise cancellation.
- Transparent Mode: Allows you to hear your surroundings while still enjoying your audio, useful for awareness in outdoor activities.
Switch between these modes using the Sanag App or the earbud's control button (refer to app or quick start guide for specific button actions).
4.3 360° Spatial Audio
Experience immersive sound with 360° Galaxy Space Sound, powered by ACS Virtual Mixing Technology. This creates a spherical spatial sound field, enhancing your listening experience.
4.4 AI Call Noise Reduction
The 6-Mic AI Talk Noise Cancellation system, featuring highly sensitive 6-mic pickup and AI anti-wind noise technology, ensures clear calls even in noisy outdoor environments.
4.5 In-Ear Monitoring
Built-in in-ear monitoring sensors provide precise detection, enabling automatic playback and pause when earbuds are inserted or removed.
5. Maintenance and Care
- Cleaning: Regularly clean the earbuds and charging case with a soft, dry, lint-free cloth. Avoid using harsh chemicals or abrasive materials.
- Ear Tips: Remove ear tips and clean them with water and mild soap if necessary. Ensure they are completely dry before reattaching.
- Storage: When not in use, store the earphones in their charging case to protect them from dust and damage.
- Avoid Water: While designed for daily use, avoid submerging the earphones in water.
6. Troubleshooting
- No Sound/Poor Sound Quality:
- Ensure earbuds are charged.
- Check Bluetooth connection and ensure "Sanag T51S" is selected.
- Clean ear tips and speaker mesh for any debris.
- Try re-pairing the earbuds with your device.
- Pairing Issues:
- Ensure Bluetooth is enabled on your device.
- Place earbuds back in the case, close the lid, wait a few seconds, then open to re-enter pairing mode.
- Forget the device in your phone's Bluetooth settings and try pairing again.
- Earbuds Not Charging:
- Ensure the charging cable is securely connected or the wireless charging pad is active.
- Check charging contacts on earbuds and inside the case for any obstructions.
- Noise Cancellation Not Working:
- Ensure ANC mode is activated via the Sanag App or earbud controls.
- Check for a secure fit of the earbuds in your ears.
7. Specifications
| Feature | Specification |
|---|---|
| Model Name | T51S / T51 Pro |
| Brand | Sanag |
| Communication | Wireless |
| Wireless Type | Bluetooth 5.4 |
| Bluetooth Effective Distance | ≥15 meters |
| Connectors | Type-C (for charging case) |
| Style | In-ear Earphones |
| Vocalism Principle | Dynamic |
| Active Noise-Cancellation | Yes (-48dB, 4000Hz ultra wide-area) |
| Sound Isolating | Yes |
| With Microphone | Yes (6-Mic AI Call Noise Reduction) |
| Volume Control | Yes |
| Control Button | Yes |
| Support APP | Yes |
| Codecs | AAC, SBC |
| Earbud Battery Capacity | 40mAh |
| Charging Case Battery Capacity | 400mAh (with protection plate) |
| Battery Life (Single Charge) | Up to 7 hours |
| Battery Life (with Charging Case) | Up to 30 hours |
| Charging Method | Charging case, Wireless Charge |
| Speaker Size | 13mm |
| Internal Resistance | 32Ω |
| Frequency Response | 15~20000Hz |
| Material | Plastic |
| NFC Technology | No |
| High-concerned chemical | None |
| Origin | Mainland China |
| Package Length | 14 cm |
| Package Width | 12 cm |
| Package Height | 6 cm |
| Package Weight | 0.253 kg |
8. User Tips
- Maximize Battery Life: With 7 hours of single earbud use and 30 hours with the charging case, you can enjoy extended listening. Remember to place earbuds back in the case when not in use to keep them charged.
- Optimal Noise Cancellation: For the best noise-canceling experience, ensure a snug fit with the correct ear tip size. Experiment with different ear tips if included.
- Utilize the App: Download the Sanag App to unlock the full potential of your earphones, including custom EQ settings and precise location tracking.
- Clear Calls: The 6-Mic AI Call Noise Reduction is highly effective. For the clearest calls, ensure the microphones are not obstructed.
9. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the documentation provided with your purchase or contact the seller/manufacturer directly. Keep your proof of purchase for any warranty claims.
