Introduction
Thank you for choosing the Awei S1 Ultra ENC Wireless Bluetooth 5.3 Headphones. These TWS (True Wireless Stereo) earbuds are designed to provide a superior audio experience with HIFI bass, effective call noise reduction, and a stable Bluetooth 5.3 connection. Featuring a futuristic transparent design, IPX7 waterproofing, and a low-latency game mode, the S1 Ultra is suitable for various activities from gaming to daily commutes. This manual will guide you through the setup, operation, and maintenance of your new earbuds.
Product Overview
Key Features
- Aesthetic Exploration Transparent Design: Futurism design for an immersive experience.
- HiFi & Bass Stereo Sound: Dual 10mm dynamic drivers deliver precision HD sound with powerful bass and clear treble.
- ENC Call Noise Reduction: Enhanced clarity for calls.
- Extended Playtime: Up to 6 hours on a single charge, and 24 hours total with the charging case.
- Bluetooth 5.3 Technology: Fast, stable, and low-latency connection, compatible with both Apple and Android devices.
- IPX7 Waterproof: Resistant to water and rain, suitable for sports and outdoor use.
- Game Mode with Low Latency: Ensures smooth audio transmission for gaming.
- Composite Diaphragms: Larger moving coils and composite diaphragms for richer music details.
- Stable Connection: Wide applicability to cellphones, tablets, laptops, desktops, game consoles, and TVs with Bluetooth.
What's in the Box
- 2 x Awei S1 Ultra Earbuds (Left and Right)
- 1 x Charging Case
- 1 x USB Type-C Charging Cable
- 1 x User Manual
Setup Guide
1. Charging the Earbuds and Case
Before first use, fully charge the earbuds and the charging case.
- Place both earbuds into the charging case.
- Connect the provided USB Type-C charging cable to the charging port on the case and plug the other end into a 5V power source (e.g., a USB wall adapter or computer USB port).
- The indicator lights on the case will show the charging status. Once fully charged, the lights will indicate completion or turn off.
Battery Life:
- Single Charge Play Time: Up to 6 hours
- Total Play Time with Charging Case: Up to 24 hours
- Earbud Charging Time: Approximately 1 hour
- Charging Case Capacity: 300mAh
- Earbud Capacity: 35mAh * 2

2. Bluetooth Pairing
- Ensure the earbuds are charged and placed in the charging case.
- Open the charging case. The earbuds will automatically enter pairing mode.
- On your device (smartphone, tablet, etc.), go to the Bluetooth settings and turn on Bluetooth.
- Search for available devices and select "AWEI S1 Ultra" from the list.
- Once connected, you will hear a confirmation sound, and the earbuds will be ready for use.
- The earbuds support Bluetooth 5.3 for a stable and fast connection.

Operating Instructions
Touch Controls
The Awei S1 Ultra earbuds feature touch-sensitive controls on each earbud (MFB - Multi-Function Button). Refer to the video demonstration for visual guidance.
| Action | Function |
|---|---|
| Tap once (L/R earbud MFB) | Answer/Hang up Call |
| Long press (L/R earbud MFB for 2 seconds) | Reject Call |
| Long press (L earbud MFB for 3 seconds) | Activate Voice Assistant |
| (Other music controls not specified in data, common ones are tap for play/pause, double tap for next/previous track, long press for volume) | (Music Playback/Volume - refer to full manual if available) |
Game Mode
The Awei S1 Ultra features a low-latency game mode for an optimized gaming audio experience. This mode minimizes audio delay, ensuring synchronization between audio and video during gameplay. Activation method is typically through a specific touch control sequence (refer to the full user manual for details if not specified here).

Maintenance
- Cleaning: Regularly clean the earbuds and charging case with a soft, dry, lint-free cloth. Avoid using abrasive materials or harsh chemicals.
- Ear Tips: Remove ear tips and clean them with water and mild soap if necessary. Ensure they are completely dry before reattaching.
- Charging Contacts: If charging issues occur, gently clean the charging contacts on both the earbuds and the case with a dry cotton swab.
- Storage: When not in use, store the earbuds in their charging case to protect them and keep them charged.
- Water Resistance: The earbuds are IPX7 waterproof, meaning they can withstand immersion in water up to 1 meter for 30 minutes. However, the charging case is not waterproof. Avoid exposing the charging case to water. Always ensure earbuds are dry before placing them back in the charging case to prevent damage.

Troubleshooting
- Earbuds not pairing:
- Ensure both earbuds are charged.
- Place earbuds back in the case, close, then open again to re-enter pairing mode.
- Turn off and on Bluetooth on your device.
- Forget "AWEI S1 Ultra" from your device's Bluetooth list and try pairing again.
- No sound from one or both earbuds:
- Check the volume level on your device and on the earbuds (if volume control is available via touch).
- Ensure earbuds are properly connected to your device.
- Try resetting the earbuds (refer to the full user manual for specific reset instructions).
- Charging issues:
- Verify the charging cable is securely connected to both the case and the power source.
- Try a different USB Type-C cable or power adapter.
- Clean the charging contacts on the earbuds and inside the case.
- Poor call quality:
- Ensure the earbuds are fully charged.
- Move closer to your connected device to avoid interference.
- Check for any obstructions between the earbuds and your device.
Specifications
| Feature | Detail |
|---|---|
| Brand Name | Awei |
| Model | S1 Ultra |
| Bluetooth Version | v5.3 (AD6973D4) |
| Supported Protocols | HSP, HFP, A2DP, AVRCP |
| Channel System | Stereo |
| Earbud Battery Capacity | 35mAh * 2 |
| Charging Case Battery Capacity | 300mAh |
| Driver Unit | 13mm in diameter |
| Charging Time | 1 hour |
| Calling Time | Up to 7 hours |
| Playing Time | Up to 6 hours |
| Standby Time | Up to 300 hours |
| Charging Standard | DC 5V (Type-C) |
| Bluetooth Operating Frequency | 2.402G-2.480G |
| Maximum Transmission Distance | 10 meters (<10m) |
| Voice Tips | Support |
| Multi-point Connection | Not supported |
| Wearing Style | In-ear |
| Interface | Type-C |
| Material | Metal, Silica Gel |
| Width | 37mm |
| Depth | 116mm |
| Weight | 100g |
| Height | 98mm |
| Voice Assistant Built-in | No (activates device's assistant) |
| NFC Technology | No |
| Sound Isolating | Yes |
| Earcups Type | Sealed |
| Number Of Drivers | 2 |
| Headphone Pads Material | Silicone |
| Magnet Type | Other |
| Driver Diameter | 10mm |
| Total Harmonic Distortion | 0% |
| Impedance Range | Up to 32 Ω |
| Frequency Response Range | 20 - 20000Hz |
| Sensitivity | 93dB |
| Waterproof Rating | IPX7 |
| Active Noise-Cancellation | Yes (ENC) |
| Volume Control | Yes |
| Control Button | Yes (Touch) |
| Certification | CE |
User Tips
- Optimal Fit: These earbuds are designed for an in-ear fit. Experiment with different ear tip sizes (if provided) to find the most comfortable and secure fit for optimal sound isolation and bass response.
- Sound Quality: The earbuds utilize dynamic drivers to deliver a full frequency response range of 20 - 20000 Hz. For the best audio experience, ensure a proper seal in your ear canal.
- Call Clarity: For clear calls, ensure the earbuds are fully charged and you are within the Bluetooth range of your device.
Warranty and Support
The Awei S1 Ultra ENC Wireless Bluetooth 5.3 Headphones come with a standard manufacturer's warranty. For specific warranty details, claims, or technical support, please refer to the warranty card included in your product packaging or contact the retailer/manufacturer directly. Keep your proof of purchase for any warranty-related inquiries.





