1. Introduction
Thank you for choosing the BY01 AI Smart Translator OWS Earbuds. These innovative open-ear wireless earphones are designed to provide real-time translation across 150 languages, alongside high-fidelity audio and intelligent call noise cancellation. Ideal for travel, business, and daily use, the BY01 earbuds offer a comfortable and stable listening experience.

2. Product Features
- AI Smart Translation: Supports real-time translation for up to 150 languages.
- Open Wearable Stereo (OWS) Design: Comfortable, non-in-ear design for long-term wear without pain, suitable for sports.
- High-Fidelity Audio: HIFI Stereo with 9D Surround Sound Quality and 18D lossless sound quality.
- Intelligent Noise Cancellation: ENC (Environmental Noise Cancellation) for clear calls.
- Bluetooth Connectivity: Advanced Bluetooth 5.49 chip for stable and fast transmission with low latency, ideal for gaming.
- Long Battery Life: Up to 5 hours music playback, 3 hours talk time, and 36 hours total with the charging case.
- Durable & Lightweight: Nanolayer skin-friendly material, weighing only 6.4g per earbud. IPX5 dustproof and waterproof rating.
- Soft Silicone Material: Arbitrary bending, adjustable, and stretchable for comfortable all-weather wear.


3. Setup and First Use
3.1 Charging the Earbuds and Case
- Place the earbuds into the charging case.
- Connect the charging case to a power source using the provided original data cable.
- The charging time for the earbuds and case is approximately 1 hour.
A fully charged charging case (300mAh capacity) can charge the earbuds (40mAh each) up to 4 times, providing extended usage.

3.2 Pairing with a Device
- Ensure the earbuds are charged and in the charging case.
- Open the charging case. The earbuds will automatically enter pairing mode.
- On your device (smartphone, tablet, etc.), go to Bluetooth settings and enable Bluetooth.
- Search for available devices and select "BY01" (or similar name) from the list.
- Once connected, you will hear a confirmation tone, and the earbuds will be ready for use.
The earbuds support multi-device and multi-system compatibility. If you encounter pairing issues, you can use the deep clearing function to clear all previous pairing information before attempting to re-pair.

3.3 Wearing the Earbuds
The BY01 earbuds feature an open-ear design with soft, elastic, and adjustable silicone ear hooks. Gently place the ear hook over your ear, ensuring the speaker rests comfortably near your ear canal without entering it. The lightweight design (6.4g per earbud) and memory rebound material ensure a stable and comfortable fit for extended periods, even during sports.

4. Operating Instructions
4.1 Basic Controls
Specific touch controls are not detailed in the provided information, but typical functions include:
- Play/Pause: Single tap on either earbud.
- Next Track: Double tap on the right earbud.
- Previous Track: Double tap on the left earbud.
- Answer/End Call: Single tap on either earbud.
- Reject Call: Press and hold either earbud.
- Activate Voice Assistant: Triple tap on either earbud.
4.2 AI Smart Translation
The BY01 earbuds are equipped with AI smart translation capabilities for 150 languages. To utilize this feature, you will typically need to:
- Ensure the earbuds are connected to your smartphone.
- Download and open the dedicated translation app (if applicable, refer to the app's instructions for specific usage).
- Select the source and target languages within the app.
- Speak into your phone's microphone or the earbud's microphone, and the translation will be played through the earbuds.
4.3 Call Management
The earbuds feature ENC Intelligent In-Call Noise Cancellation, ensuring high-definition sound effects during calls. This technology reduces environmental noise, making your voice clearer to the person on the other end.

4.4 Gaming Experience
With a stable and fast Bluetooth 5.49 connection, the BY01 earbuds offer audio and video synchronization with low latency, providing an immersive gaming experience.

5. Maintenance and Care
5.1 Cleaning
To maintain optimal performance and hygiene, regularly clean your earbuds and charging case. Use a soft, dry, lint-free cloth. Avoid using abrasive materials, solvents, or spray cleaners.
5.2 Water and Dust Resistance
The BY01 earbuds are rated IPX5 dustproof and waterproof. This means they are resistant to splashes of water from any direction, making them suitable for daily life and exercise where sweating may occur. However, they are not designed for submersion in water. Avoid exposing them to strong jets of water or prolonged immersion.

6. Troubleshooting
- Earbuds not pairing: Ensure both earbuds are charged. Place them back in the case, close it, then open it again to re-enter pairing mode. If issues persist, use the 'deep clearing function' to clear all previous pairing information from the earbuds and then re-pair.
- No sound: Check the volume level on your connected device and on the earbuds (if adjustable). Ensure the earbuds are properly paired and selected as the audio output device.
- Poor sound quality: Ensure the earbuds are within the Bluetooth range (approx. 10 meters) of your device. Check for obstructions between the earbuds and your device.
- Charging issues: Ensure the charging cable is securely connected to both the case and the power source. Try a different charging cable or power adapter.
- Translation not working: Ensure the earbuds are connected to your phone and the dedicated translation app is open and configured correctly. Check your internet connection, as some translation features may require it.
7. Specifications
| Feature | Specification |
|---|---|
| Model | BY01 (JM13) |
| Type | OWS Open Ear True Wireless Earphone (Hanging Ear Wireless Earphone) |
| Bluetooth Version | 5.49 (also mentioned as 5.3, 5.4) |
| Wireless Transmission Distance | Approx. 10 meters |
| Earphone Battery Capacity | 40 mAh (each) |
| Charging Case Battery Capacity | 300 mAh |
| Charging Time | Approx. 1 hour |
| Talk Time | 3 hours |
| Music Playback Time | 5 hours |
| Total Battery Life (with case) | Up to 36 hours |
| Audio Decoding | AAC |
| Weight (per earbud) | 6.4g |
| Water/Dust Resistance | IPX5 |
| Earphone Dimensions (H x W) | 5.04 cm (1.98 in) x 4.80 cm (1.89 in) |
| Charging Case Dimensions (H x W) | 5.21 cm (2.05 in) x 5.35 cm (2.1 in) |
| Available Colors | White, Black, Yellow, Purple |


8. Warranty and Support
8.1 Warranty Information
The BY01 AI Smart Translator OWS Earbuds come with a one-year warranty from the date of purchase. This warranty covers manufacturing defects and ensures the product functions as intended under normal use. Please retain your proof of purchase for warranty claims.
8.2 Customer Support
For technical assistance, troubleshooting, or warranty claims, please contact your retailer or the manufacturer's customer service. Refer to the product packaging or the seller's website for specific contact details.
9. User Tips
- Optimal Translation: For the best translation accuracy, ensure you are in a relatively quiet environment and speak clearly into the microphone.
- Comfort Fit: Experiment with the ear hook's flexibility to find the most comfortable and secure fit for your ear shape. The memory rebound silicone adapts for long-term wear.
- Battery Preservation: Always store the earbuds in their charging case when not in use to protect them and keep them charged.
- Connectivity: If experiencing intermittent connection, try moving closer to your paired device or clearing previous Bluetooth connections from both the earbuds and your device.
