Coby CETW501BK
Coby True Wireless Earbuds User Manual
Model: CETW501BK
Introduction
Thank you for choosing Coby True Wireless Earbuds. These earbuds are designed to provide a high-quality audio experience with the convenience of true wireless technology. This manual will guide you through the setup, operation, and maintenance of your new earbuds.

Image: Coby True Wireless Earbuds, showing both earbuds and the open charging case.
What's in the Box
- Coby True Wireless Earbuds (Left and Right)
- Charging Case
- Charging Cable
- Multiple sizes of comfort ear gels (S/M/L)
Product Features
- Multi-Function Touch Control Buttons: Each earbud features a convenient touch-control button for navigation.
- Compact Charging Case: Provides up to 40 hours of total playtime (6.5 hours from earbuds, multiple charges from case).
- High-Definition Sound: Expertly balanced audio for a full-spectrum sound up to 33 feet away.
- True Wireless Technology: Delivers high-quality stereo sound and an immersive audio experience.
- Custom-fit Ear Gels: Includes 3 pairs (S/M/L) for optimal fit and stability.
- Sweatproof: Designed to withstand sweat during exercise.

Image: Earbuds in their charging case, illustrating the extended battery life of up to 40 hours with the case.

Image: A woman wearing the Coby earbuds, emphasizing the high-definition audio quality.

Image: A finger interacting with an earbud, demonstrating the touch control functionality.

Image: A man exercising outdoors while wearing the earbuds, highlighting their sweatproof design.
Video: An official product video showcasing the Coby True Wireless Bluetooth Earbuds, highlighting features like snug fit, sweatproof design, HD stereo sound, built-in microphone, voice control, and on-the-go charging.
Setup
1. Charging the Earbuds and Case
Before first use, fully charge the earbuds and the charging case. Place the earbuds into the charging case. Connect the provided USB charging cable to the charging port on the case and a compatible USB power source. The indicator lights on the case will show charging status.
2. Pairing with Your Device
- Ensure the earbuds are charged.
- Open the charging case. The earbuds will automatically enter pairing mode.
- On your device (smartphone, tablet, etc.), go to Bluetooth settings and turn Bluetooth on.
- Look for "Coby Earbuds" or a similar name in the list of available devices and select it to connect.
- Once connected, you will hear an audio prompt, and the indicator lights on the earbuds will change.
The earbuds will automatically reconnect to the last paired device when removed from the case, if Bluetooth is enabled on the device.
3. Fitting the Ear Gels
Select the ear gel size (Small, Medium, Large) that provides the most comfortable and secure fit for your ears. A proper fit is essential for optimal sound quality and noise isolation.

Image: A diagram illustrating the three different sizes of ear gels (Small, Medium, Large) for custom fit.
Operating Instructions
The Coby True Wireless Earbuds feature multi-function touch controls on each earbud. The specific functions may vary slightly depending on your device and application.
| Action | Function |
|---|---|
| Single Tap (Left or Right Earbud) | Play/Pause Music, Answer/End Call |
| Double Tap (Right Earbud) | Next Track |
| Double Tap (Left Earbud) | Previous Track |
| Triple Tap (Right Earbud) | Volume Up |
| Triple Tap (Left Earbud) | Volume Down |
| Press and Hold (Left or Right Earbud) | Activate Siri / Google Assistant, Reject Call |
Maintenance
Cleaning
Regularly clean your earbuds and charging case to ensure optimal performance and hygiene. Use a soft, dry, lint-free cloth. Do not use abrasive cleaners or immerse the earbuds or case in water.
Storage
When not in use, store the earbuds in their charging case to protect them and keep them charged. Store in a cool, dry place away from extreme temperatures.
Troubleshooting
Earbuds not pairing or connecting:
- Ensure both earbuds are charged.
- Make sure Bluetooth is enabled on your device.
- Place the earbuds back into the charging case, close the lid, wait a few seconds, then open the lid again to re-initiate pairing mode.
- Forget the device from your phone's Bluetooth settings and try pairing again.
- Ensure your device is within the Bluetooth range (approximately 33 feet).
Only one earbud working:
- Place both earbuds back into the charging case and ensure they are properly seated and charging.
- Remove them from the case simultaneously to ensure they connect to each other before connecting to your device.
- Try resetting the earbuds (refer to manufacturer's website for specific reset instructions if needed).
Poor sound quality or intermittent connection:
- Ensure the earbuds are fully charged.
- Reduce the distance between the earbuds and your device.
- Avoid obstacles between the earbuds and your device (e.g., walls, large objects).
- Clean the ear gels and earbud grilles to remove any debris that might be affecting sound.
- Check for interference from other wireless devices.
Specifications
| Feature | Detail |
|---|---|
| Model Name | TWS Bluetooth 5.0 Wireless Earbuds with Charging Case |
| Connectivity Technology | Wireless (Bluetooth 5.0) |
| Bluetooth Range | 33 Feet |
| Battery Life (Earbuds) | Up to 6.5 hours per charge |
| Total Playtime (with Case) | Up to 40 Hours |
| Control Type | Touch (Siri, Google Assistant compatible) |
| Water Resistance Level | Water Resistant (Sweatproof) |
| Frequency Range | 20 Hz - 20,000 Hz |
| Material | Acrylonitrile Butadiene Styrene (ABS) |
| Item Weight | 5.5 Ounces |
| UPC | 810071492211 |
Warranty and Support
Coby products are designed for reliability and performance. For warranty information, technical support, or service inquiries, please visit the official Coby website or contact their customer service department. Keep your purchase receipt as proof of purchase for warranty claims.
For additional support and product information, you may visit the Coby store on Amazon: Coby Store
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