BWOO SYNC BW94
BWOO SYNC BW94 & BW03 TWS Bluetooth 5.3 Earbuds User Manual
Model Numbers: BW94, BW03
Introduction
Welcome to your BWOO SYNC BW94 & BW03 TWS Bluetooth 5.3 Earbuds. This manual provides detailed instructions for optimal use, ensuring a superior audio experience. These earbuds combine cutting-edge technology with superior sound to deliver an exceptional listening experience, whether you’re working out, commuting, or enjoying your favorite tunes.
Key features include advanced Bluetooth 5.3 connectivity, high-quality sound with deep bass and crisp highs, and a comfortable in-ear design. They are also IPX4 waterproof, making them suitable for various activities.
Package Contents
- BWOO SYNC BW94/BW03 TWS Earbuds (Left and Right)
- Charging Case
- USB Type-C Charging Cable
- User Manual
Product Overview
Familiarize yourself with the components and key features of your earbuds.

This image displays both the blue BW94 and white BW03 TWS earbuds, each housed in their respective charging cases, illustrating the product's design and color options.

This graphic highlights key technical specifications, including the 40-hour total battery life (with charging case), HD two-channel audio, the integrated Bluetooth 5.3 smart chip for stable connectivity, and the 13mm large sound unit for enhanced audio quality.

A detailed view of the 13mm graphene dynamic driver, emphasizing its role in delivering excellent sound resolution and delicate, transparent sound quality.
Setup Instructions
Charging the Earbuds and Case
Before first use, fully charge the earbuds and charging case. Connect the provided USB Type-C cable to the charging port on the case and to a power source. The charging indicator will show the charging status.
Charging time for the earbuds is approximately 1.5 hours. The case provides additional charges for up to 200 hours of standby time or 4-5 hours of continuous playtime per earbud charge.

This image illustrates the battery performance, indicating 200 hours of standby time for the case, 5 hours of playtime for the earbuds, and a 1.5-hour charging time.
Pairing with a Device
- Ensure the earbuds are charged.
- Open the charging case. The earbuds will automatically enter pairing mode.
- On your device (smartphone, tablet, etc.), enable Bluetooth.
- Search for "BW94" or "BW03" in the list of available Bluetooth devices.
- Select the device name to connect. A voice prompt will confirm successful pairing.
The earbuds support Bluetooth 5.3 for a fast and stable connection.

This image highlights the advanced Bluetooth 5.3 chip, which provides strong anti-interference ability and low power consumption for reliable wireless connectivity.
Operating Instructions
Touch Controls
The earbuds feature intuitive touch controls on the stem of each earbud.

This diagram provides a visual guide to the touch controls:
- Play/Pause: Double click the Touch key
- Previous Song: Three clicks on the left earbud's touch key
- Next Song: Three clicks on the right earbud's touch key
- Answer/End Call: Double click the Touch key
- Reject Incoming Calls: Long press for 2 seconds
- Voice Assistant: Long press the left earbud's touch button for 3 seconds
Single Earbud Use
Both earbuds can be used independently. Simply take one earbud out of the case, and it will connect to your device.

This image explains the flexibility of use: "Dual-channel connection" shows synchronized use of both earbuds, while "Single-channel connection" demonstrates that either earbud can be used separately.
Wearing the Earbuds
Insert the earbuds into your ears and adjust for a comfortable and secure fit. The ergonomic in-ear design ensures comfort during long listening sessions.

This image shows an individual comfortably wearing an earbud, highlighting the ergonomic design intended for long-lasting and painless wear.
Maintenance and Care
- Keep the earbuds and charging case clean and dry.
- Use a soft, dry cloth to wipe away dust or debris.
- Avoid exposing the earbuds to extreme temperatures or direct sunlight.
- The earbuds are IPX4 water-resistant, meaning they can withstand sweat and light splashes, but should not be submerged in water.
Troubleshooting
Earbuds not pairing:
- Ensure both earbuds are charged.
- Turn off and on your device's Bluetooth.
- Try resetting the earbuds by placing them back in the case, closing the lid, and then reopening it.
- Delete previous pairings on your device and try pairing again.
Only one earbud working:
- Place both earbuds back in the charging case, close the lid, then open it again.
- Ensure both earbuds have sufficient charge.
- Re-pair the earbuds with your device.
Low volume or poor sound quality:
- Adjust the volume on both your device and the earbuds.
- Clean any debris from the earbud speakers.
- Ensure the earbuds are properly seated in your ears.
Technical Specifications
| Feature | Detail |
|---|---|
| Model Numbers | BW94, BW03 |
| Manufacturer | BWOO |
| Connectivity Technology | Wireless |
| Wireless Communication Technology | Bluetooth |
| Bluetooth Version | 5.3 |
| Battery Life (Playtime) | 4-5 hours |
| Battery Life (Standby) | 200 hours (with charging case) |
| Charging Time | 1.5 hours |
| Charging Port | Type-C |
| Water Resistance | IPX4 |
| Control Type | Touch Control |
| Driver Size | 13mm |
| Ear Placement | In Ear |
| Form Factor | True Wireless |
| Noise Control | ENC Noise Reduction |
| Compatible Devices | Cellphones, Smartphones, Tablets, iPhone |
| Included Components | Cable, User Manual |
| Battery Cell Composition | Lithium Ion |
| Parcel Dimensions | 10.5 x 10.5 x 3.5 cm; 190 g |
Warranty and Support
BWOO SYNC products typically come with a manufacturer's warranty. Please refer to the warranty card included in your package for specific terms and conditions.
For technical support or customer service, please contact BWOO SYNC directly or the retailer where you purchased the product.
This product is subject to a 30-day refund/replacement policy from the date of purchase, as per the retailer's terms.
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