Cillso H97
Cillso H97 Wireless Earbuds User Manual
Model: H97
Introduction
Thank you for choosing Cillso H97 Wireless Earbuds. These earbuds feature advanced Bluetooth 5.4 technology, HiFi stereo sound, 4 ENC noise-cancelling microphones, and IP7 waterproof rating, designed to provide an immersive and comfortable audio experience for various activities.
What's in the Box
- Cillso H97 Wireless Earbuds (Left and Right)
- Charging Case
- Type-C Charging Cable
- User Manual

Image: Contents of the Cillso H97 Wireless Earbuds package.
Product Overview
Familiarize yourself with the components of your Cillso H97 Wireless Earbuds.

Image: Cillso H97 Wireless Earbuds and Charging Case.
- Earbuds: Left and Right earbuds with touch control areas.
- Charging Case: Portable case for charging and storing earbuds, featuring a dual LED display for battery percentage.
- Type-C Charging Port: Located on the charging case for power input.
- LED Display: Shows battery percentage of the charging case and charging status of individual earbuds.
Setup
Initial Charging
Before first use, ensure the earbuds and charging case are fully charged. Connect the provided Type-C charging cable to the charging case and a standard 5V/1A or 5V/2A charger. The LED display will indicate charging progress.

Image: Charging and Battery Life Overview.
Pairing with Your Device
- Ensure the earbuds are charged.
- Open the charging case. The earbuds will automatically power on and enter pairing mode.
- On your device (smartphone, tablet, laptop), enable Bluetooth.
- Search for "H97" in the list of available Bluetooth devices and select it to connect.
- Once connected, the earbuds will automatically pair with your device when the charging case is opened for subsequent uses.

Image: Bluetooth Connection and Mode Selection.
Operating Instructions
Touch Controls
The H97 earbuds feature sensitive touch sensors for easy control of various functions.

Image: Smart Touch Control Functions.
| Action | Function |
|---|---|
| Double Tap (Left/Right Earbud) | Play/Pause Music |
| One Tap (Left/Right Earbud) | Answer/End Call |
| Long Press 2s (Right Earbud) | Next Song |
| Long Press 2s (Left Earbud) | Previous Song |
| One Tap (Right Earbud) | Volume Up |
| One Tap (Left Earbud) | Volume Down |
| Triple Tap (Right Earbud) | Activate Voice Assistant |
Call Management
With 4 ENC noise-cancelling microphones, the earbuds ensure clear calls by effectively filtering out environmental noise.
- Answer/End Call: One tap on either earbud.
- Reject Call: Long press on either earbud.
Audio Playback
The 14.2mm diaphragm driver and AAC/SBC audio encoding deliver immersive HiFi stereo sound with powerful bass and textured mids.

Image: Hi-Fi Stereo Sound Components.
Single and Binaural Mode
The earbuds support both single and binaural modes for flexible use.
- Single Ear Mode: Use either the left or right earbud independently.
- Binaural Mode: Use both earbuds for a stereo experience. If one earbud is placed back into the charging case, the other will continue to function.
Charging
The earbuds provide up to 8 hours of playback on a single charge, with the charging case extending total playtime to 40 hours.
- Earbud Charging: Place earbuds into the charging case. They will automatically begin charging.
- Case Charging: Connect the Type-C cable to the charging port on the case and a power source. The dual LED display will show the battery percentage of the case and the charging status of each earbud.
- Charging Time: The case can be fully charged in approximately 1.5 hours.
- Important Note: To ensure the best charging experience and prevent issues, please use a standard charger (5V/1A or 5V/2A). If you encounter charging issues, switch to a certified standard charger.
Maintenance
- Cleaning: Regularly clean the earbuds and charging case with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials.
- Water Resistance: The earbuds feature IP7 nano-coating technology, protecting them from daily splashes, sweat, and rain. Do not submerge them in water or expose them to strong jets of water.

Image: IPX7 Waterproof Feature.
Troubleshooting
If you encounter issues with your Cillso H97 Wireless Earbuds, refer to the following common solutions:
| Problem | Solution |
|---|---|
| Earbuds not pairing | Ensure earbuds are charged. Turn off and on Bluetooth on your device. Forget "H97" from your device's Bluetooth list and re-pair. |
| Only one earbud working | Place both earbuds back into the charging case, close the lid, wait a few seconds, then open again. Ensure both earbuds are charged. |
| No sound or low volume | Check device volume. Ensure earbuds are properly seated in your ears. Clean any debris from earbud speakers. |
| Charging case not charging | Try a different Type-C cable and a standard 5V/1A or 5V/2A charger. Ensure the charging port is clean. |
| Touch controls unresponsive | Ensure your fingers are clean and dry. Restart the earbuds by placing them in the case and taking them out. |
Specifications
| Feature | Detail |
|---|---|
| Model Name | H97 |
| Connectivity Technology | Wireless (Bluetooth 5.4) |
| Bluetooth Range | 15 Meters |
| Audio Driver Type | Dynamic Driver |
| Audio Driver Size | 14.2 Millimeters |
| Battery Life (Earbuds) | Up to 8 Hours (single charge) |
| Total Playtime (with case) | Up to 40 Hours |
| Charging Time (Case) | 1.5 Hours |
| Water Resistance Level | IP7 Waterproof |
| Control Type | Touch Control |
| Earbud Weight | 3.5 Grams (each) |
| Charging Case Weight | 32 Grams |
| Frequency Response | 20 KHz |
| Impedance | 32 Ohm |
| Microphones | 4 ENC Noise Cancelling Mics |
Safety Information
Please read the following safety guidelines before using your earbuds:
- Do not expose earbuds to extreme temperatures or humidity.
- Avoid dropping or subjecting the earbuds to strong impacts.
- Do not disassemble or attempt to repair the earbuds yourself. This will void the warranty.
- Keep out of reach of children and pets.
- Use only the provided charging cable and a compatible charger (5V/1A or 5V/2A).
- Avoid listening at high volumes for extended periods to prevent hearing damage.
Warranty and Support
Cillso products come with a standard manufacturer's warranty. For detailed warranty information, technical support, or customer service inquiries, please refer to the contact information provided on the product packaging or visit the official Cillso website.
Manufacturer: Cillso
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