Introduction
Welcome to the user manual for your 1MORE ComfoBuds 2 Wireless Earbuds. These earbuds are designed to provide a premium audio experience with deep bass, comfortable fit, and crystal-clear call performance. Featuring Bluetooth 5.2 for stable connectivity and 12 professional EQ presets, they are suitable for various activities including sports and daily use. This manual will guide you through the setup, operation, maintenance, and troubleshooting of your new earbuds.

Image: The 1MORE ComfoBuds 2 wireless earbuds resting in their open charging case, showcasing their sleek design.
Setup
1. What's in the Box
- 1MORE ComfoBuds 2 Wireless Earbuds
- Charging Case
- USB-C Charging Cable
- User Manual (this document)
- Replaceable Soft Silicone Ear Tips
2. Charging the Earbuds and Case
Before first use, fully charge the earbuds and the charging case.
- Place the earbuds into the charging case. Ensure they are properly seated.
- Connect the USB-C charging cable to the charging port on the case and the other end to a power source (e.g., USB wall adapter, computer USB port).
- The indicator light on the charging case will show charging status. A full charge for the case takes approximately 80 minutes.
- The earbuds provide up to 6 hours of listening time on a single charge, and the charging case provides an additional 18 hours, totaling 24 hours of battery life. Fast charging allows for 3 hours of use from just 15 minutes of charging.

Image: A visual representation of the 24-hour total battery life, showing 6 hours from earbuds and 18 hours from the charging case, with fast charging details.
3. Bluetooth Pairing
The 1MORE ComfoBuds 2 utilize Bluetooth 5.2 for a stable and seamless connection.
- Open the charging case. The earbuds will automatically enter pairing mode (indicator lights will flash).
- On your device (smartphone, tablet, etc.), go to Bluetooth settings and turn Bluetooth on.
- Search for "1MORE ComfoBuds 2" in the list of available devices and select it to connect.
- Once connected, you will hear a confirmation tone, and the indicator lights on the earbuds will stop flashing.
- The earbuds will automatically reconnect to the last paired device when taken out of the case, if Bluetooth is enabled on the device.

Image: A visual showing the earbuds and a smartphone, illustrating the stable Bluetooth 5.2 connection.
4. Wearing the Earbuds
The ComfoBuds 2 are designed with a semi in-ear fit for comfort and security.
- Identify the left (L) and right (R) earbuds.
- Gently insert each earbud into your ear canal.
- Adjust the earbud until it feels comfortable and secure. You can try different sizes of silicone ear tips for the best fit.
- The lightweight design (4.3g per earbud) ensures minimal discomfort during extended wear.

Image: A person wearing the 1MORE ComfoBuds 2, demonstrating the comfortable and secure fit of the earbuds.
Operating Instructions
1. Touch Controls
The ComfoBuds 2 feature touch-based controls for easy management of music and calls. Specific touch functions can often be customized via the 1MORE MUSIC app.
- Play/Pause: Double-tap either earbud.
- Next Track: Triple-tap the right earbud.
- Previous Track: Triple-tap the left earbud.
- Answer/End Call: Double-tap either earbud.
- Reject Call: Press and hold either earbud for 2 seconds.
- Activate Voice Assistant: (Check app for customization)
2. EQ Presets
The earbuds come with 12 professional EQ presets, tuned by a Grammy Award-winning sound engineer, to optimize your listening experience for different music genres.
- To access and switch between EQ presets, download and use the 1MORE MUSIC app on your smartphone.
- The app allows you to select from various sound profiles such as Bass Booster, Acoustic, Classical, Pop, and more.

Image: A screenshot of the 1MORE MUSIC app interface showing the 12 preset EQ settings available for selection.
3. Phone Calls
Equipped with 4 ENC (Environmental Noise Cancellation) microphones, the ComfoBuds 2 ensure clear voice transmission during calls by suppressing ambient noise.
- Ensure earbuds are connected to your phone.
- Use the touch controls to answer, end, or reject calls.
- Your voice will be amplified for clear communication, even in noisy environments.

Image: A person using the 1MORE ComfoBuds 2 for a phone call, highlighting the clear call quality.
4. Low Latency Gaming Mode
For an optimized gaming experience, the 1MORE MUSIC App offers a Low Latency Gaming Mode. This mode significantly reduces audio delay, ensuring better synchronization between audio and on-screen action.
- Open the 1MORE MUSIC App.
- Navigate to the settings or features section.
- Enable "Low Latency Gaming Mode" for improved audio-visual sync during mobile gaming.
Maintenance
1. Cleaning
Regular cleaning helps maintain sound quality and hygiene.
- Use a soft, dry, lint-free cloth to wipe the earbuds and charging case.
- For ear tips, remove them from the earbuds and clean with a mild soap solution if necessary, then rinse thoroughly and dry completely before reattaching.
- Gently remove any earwax or debris from the earbud mesh using a small, soft brush or cotton swab.
- Do not use abrasive cleaners or immerse the earbuds or case in water.
2. Storage
When not in use, always store the earbuds in their charging case to protect them and keep them charged.
- Store in a cool, dry place, away from extreme temperatures and direct sunlight.
- Avoid storing in dusty or dirty environments.
3. Water Resistance
The 1MORE ComfoBuds 2 are designed with an IPX5 water resistance rating, making them suitable for everyday use and protection against sweat and light splashes.
- IPX5 rating means they are protected against low-pressure water jets from any direction.
- Do not submerge the earbuds in water.
- The charging case is not water-resistant.
- Ensure earbuds are dry before placing them back into the charging case to prevent damage.

Image: A visual depicting water splashing around the earbuds, illustrating their IPX5 water resistance for everyday use.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Earbuds do not turn on. | Low battery. | Place earbuds in the charging case and charge fully. |
| Cannot pair with device. | Bluetooth is off; earbuds not in pairing mode; device too far. | Ensure Bluetooth is on. Open case to enter pairing mode. Keep device within 10 meters. Try forgetting device and re-pairing. |
| No sound or low volume. | Volume too low; earbud not properly seated; debris in earbud mesh. | Adjust volume on device. Ensure earbuds are properly inserted. Clean earbud mesh. |
| Intermittent connection. | Interference; device too far; low earbud battery. | Move closer to device. Avoid areas with strong Wi-Fi or other Bluetooth signals. Charge earbuds. |
| Microphone not working. | Earbud not properly positioned; software issue. | Adjust earbud position. Restart your connected device. |
Specifications
| Feature | Detail |
|---|---|
| Model Name | ComfoBuds 2 |
| Model Number | ES303-BLACK |
| Connectivity Technology | Wireless (Bluetooth 5.2) |
| Bluetooth Range | 10 Meters |
| Audio Driver Type | Dynamic Driver |
| Audio Driver Size | 13.4 Millimeters |
| Battery Life (Earbuds) | Up to 6 Hours |
| Battery Life (with Case) | Up to 24 Hours |
| Charging Time | Approx. 80 minutes (case) |
| Control Type | Touch-based, App Control |
| Microphones | 4 ENC Microphones |
| Water Resistance Level | IPX5 (Earbuds only) |
| Item Weight (Earbud) | 4 Grams |
| Material | Silicone (ear tips) |
| Compatible Devices | Various Bluetooth-enabled devices like smartphones, tablets, and smartwatches from popular brands such as Apple, Samsung, Google, and others. |
| Frequency Range | 2.400 GHz ~ 2.4835 GHz |

Image: A detailed diagram illustrating the internal components of the 13.4mm ultra-large dynamic driver, responsible for clear and powerful sound.
Warranty and Support
1MORE products are designed and manufactured to the highest quality standards. For information regarding warranty coverage, technical support, or service inquiries, please refer to the official 1MORE website or contact their customer support directly.
Official Website: www.1more.com
Please retain your proof of purchase for any warranty claims.





