Introduction
Thank you for choosing the Cillso X97 Wireless Earbuds. This manual provides detailed instructions for setup, operation, maintenance, and troubleshooting to ensure optimal performance and longevity of your device. Please read this manual thoroughly before using your earbuds.
Package Contents
Verify that all items listed below are included in your package:
- 2 x Cillso X97 Wireless Earbuds
- 1 x Lightweight Charging Case
- 1 x USB-C Charging Cable
- 3 x Pairs of Eartips (Sizes: Small, Medium, Large)
- 1 x User Manual (this document)

Image: The package contents include two earbuds, a charging case, a USB-C cable, and three sizes of eartips.
Getting Started
1. Charging the Earbuds and Case
For first-time use, fully charge the earbuds and charging case. The charging case features an LED percentage display to indicate battery status.
- Place the earbuds into the charging case. Ensure they are correctly seated.
- Connect the USB-C charging cable to the charging port on the case and to a compatible USB power source.
- The LED display on the case will show the charging progress. A full charge for the case typically takes 1.5 hours.
- Once fully charged, disconnect the charging cable. The earbuds provide up to 10 hours of continuous use, and the charging case offers an additional 40 hours, totaling 50 hours of playtime.

Image: The earbuds and charging case, illustrating the 1.5-hour case charging time, 10-hour earbud playtime, and 50-hour total playtime with the case.
2. Selecting Ear Tips and Achieving a Secure Fit
The Cillso X97 earbuds come with flexible ear hooks and three sizes of ear tips (S/M/L) to ensure a comfortable and secure fit, especially during physical activities.
- Experiment with the different ear tip sizes to find the pair that provides the best seal and comfort for your ears. A good seal is crucial for optimal sound quality and bass response.
- Insert the earbud into your ear canal.
- Gently hook the flexible ear hook over the top of your ear.
- Adjust the earbud and ear hook until it feels secure and comfortable, ensuring it does not feel loose or cause discomfort.

Image: A diagram illustrating the steps for selecting the correct ear tip size, inserting the earbud, and rotating it for a comfortable and stable fit.
3. Powering On/Off
- Power On: Open the charging case, and the earbuds will automatically power on.
- Power Off: Place the earbuds back into the charging case and close the lid. They will automatically power off and begin charging.
4. Bluetooth Pairing
The Cillso X97 earbuds utilize advanced Bluetooth 5.4 technology for stable and efficient connectivity.
- Initial Pairing: Open the charging case. The earbuds will automatically enter pairing mode, indicated by a flashing light on the earbuds.
- On your device (smartphone, tablet, computer), enable Bluetooth and search for available devices.
- Select "X97" from the list of found devices.
- Once connected, the earbuds will indicate successful pairing (e.g., a voice prompt or solid light).
- Automatic Reconnection: After initial pairing, the earbuds will automatically connect to the last paired device when taken out of the case, provided Bluetooth is enabled on your device.

Image: A visual representation of the earbuds connecting via Bluetooth 5.4 to iOS, Android, and Windows devices, highlighting a stable connection range of up to 15 meters.
Operation
1. Touch Controls
The Cillso X97 earbuds feature intuitive touch controls for managing music playback, calls, and voice assistants.
| Action | Function |
|---|---|
| Double Tap (R/L) | Play/Pause Music |
| Long Tap 2s (R) | Next Track |
| Long Tap 2s (L) | Previous Track |
| One Tap (R/L) | Answer/End Call |
| Long Tap 2s (R/L) during incoming call | Reject Call |
| One Tap (R) | Volume Up |
| One Tap (L) | Volume Down |
| Triple Tap (R) | Activate Voice Assistant |

Image: A visual guide to the touch control functions on the Cillso X97 earbuds, showing gestures for play/pause, track navigation, volume, call management, and voice assistant activation.
2. Making and Receiving Calls
The earbuds feature a built-in noise-cancelling microphone for clear communication.
- Answering/Ending Calls: Tap either earbud once.
- Rejecting Calls: Long tap either earbud for 2 seconds during an incoming call.
- The noise-cancelling microphone helps to reduce background noise, ensuring your voice is clear to the person on the other end.

Image: An illustration detailing the internal microphone system, including feedback mic and anti-wind noise components, designed for ultra-clear, noise-free calling.
Maintenance
1. Cleaning
Regular cleaning helps maintain sound quality and hygiene.
- Gently wipe the earbuds and charging case with a soft, dry, lint-free cloth.
- Remove ear tips and clean them with mild soap and water if necessary. Ensure they are completely dry before reattaching.
- Use a dry cotton swab to carefully clean any debris from the earbud mesh and charging contacts.
- Avoid using abrasive materials, alcohol, or chemical cleaners.
2. Storage
- Always store the earbuds in their charging case when not in use to protect them and keep them charged.
- Store the device in a cool, dry place, away from extreme temperatures and direct sunlight.
3. Water Resistance (IP7 Rating)
The Cillso X97 earbuds are IP7 waterproof, meaning they are protected against immersion in water up to 1 meter for up to 30 minutes. This makes them suitable for workouts, running, and outdoor activities where they may be exposed to sweat, rain, or splashes.
- Do not intentionally submerge the earbuds in water for extended periods or use them for swimming.
- Ensure the earbuds are dry before placing them back into the charging case to prevent damage to the charging contacts.

Image: The earbuds shown with water splashes, illustrating their IP7 waterproof capability for splashproof, perspiration, and rainy day use.
Troubleshooting
If you encounter any issues with your Cillso X97 Wireless Earbuds, please refer to the following common solutions:
- Earbuds Not Pairing:
- Ensure both earbuds are fully charged.
- Turn off Bluetooth on your device, then turn it back on.
- Delete "X97" from your device's Bluetooth list and attempt to re-pair.
- Place both earbuds back into the charging case, close the lid, wait a few seconds, then open the lid to re-initiate pairing mode.
- One Earbud Not Working/No Sound:
- Ensure both earbuds are charged.
- Place both earbuds back into the charging case, close the lid, and then take them out again. This often resolves synchronization issues.
- Clean the charging contacts on both the earbuds and the case to ensure a proper connection.
- Poor Sound Quality/Low Bass:
- Ensure the ear tips provide a tight seal in your ear canal. Try different sizes of ear tips.
- Clean any earwax or debris from the earbud mesh.
- Ensure your device's volume is adequately adjusted.
- Earbuds Disconnecting Frequently:
- Ensure you are within the Bluetooth range (approximately 15 meters) of your connected device. Obstacles like walls can reduce this range.
- Minimize interference from other wireless devices.
- Ensure the earbuds are fully charged.
- Charging Case Not Charging:
- Try a different USB-C cable and power adapter.
- Ensure the charging port on the case is clean and free of debris.
Specifications
| Feature | Specification |
|---|---|
| Model Name | X97 |
| Bluetooth Version | 5.4 |
| Connectivity Technology | Wireless (Bluetooth) |
| Bluetooth Range | Up to 15 meters (50 feet) |
| Earbud Battery Life | Up to 10 hours (single charge) |
| Total Playtime (with case) | Up to 50 hours |
| Charging Case Battery Capacity | 400 mAh |
| Water Resistance Rating | IP7 (Waterproof) |
| Control Type | Touch Control |
| Audio Driver Type | Dynamic Driver (14mm) |
| Noise Control | Passive Noise Cancellation (with ENC mic) |
| Ear Placement | Over Ear (with earhooks) |
| Item Weight | 0.13 Kilograms (approx. 4.6 ounces) |
| Included Components | Earbuds, Charging Case, USB-C Cable, 3x Eartips (S/M/L), User Manual |
Warranty and Support
For warranty information, technical support, or any product-related inquiries, please refer to the contact information provided with your purchase or visit the official Cillso website. Keep your purchase receipt as proof of purchase for warranty claims.