1. Introduction
Thank you for choosing the OHAYO AiryClamp A7 Open Ear Headphones. These wireless earbuds are designed for comfort, high-fidelity audio, and seamless connectivity, making them ideal for daily use, commuting, and travel. This manual provides detailed instructions on how to set up, operate, and maintain your headphones.

Figure 1: OHAYO AiryClamp A7 Open Ear Headphones and Charging Case
Video 1: OHAYO A7 AiryClamp Clip-On Earbuds Product Demonstration
2. Package Contents
Ensure all items are present in your package:
- OHAYO AiryClamp A7 Open Ear Headphones (Left and Right)
- Charging Case
- USB Type-C Charging Cable
- Quick Start Guide (User Manual)

Figure 2: What's in the box
3. Setup
3.1. Powering On
- Open the charging case.
- Take out the earphones.
- Peel off the insulation protector from the earphones.
- Place the earphones back into the charging case and close the lid.
- Re-open the charging case to automatically begin Bluetooth connection.
3.2. Pairing
- Ensure the earphones are in the charging case with the lid open.
- On your phone or device, turn on Bluetooth and enter connecting mode.
- Select the device model "OHAYO AiryClamp A7" from the list of available devices to pair.
Note: If you have already paired with other devices and need to connect to a new one, hold down the function key on the charging case for 2 seconds with the earphone lid open to enter pairing mode for the new device.

Figure 3: Pairing with a mobile device
3.3. Wearing Instructions
These Bluetooth headphones are designed to be worn in the middle of the earbuds, not on the earlobes. You can adjust the height of the ear racks to enhance comfort. The sound is transmitted directionally, minimizing sound leakage and providing a private listening experience.
- Clip each earbud onto the correct ear (L/R).
- Position the open-ring joint horizontally and adjust slightly for the best fit, optimal sound, comfort, and stability.
- The ergonomic C-shaped design reduces contact area by 51% and headphone chamber by 37%, making it suitable for over 99% of people, including those with big ears, small ears, and glasses.
- Four-point support improves wearing stability by 63%, ensuring a secure fit during activity.

Figure 4: How to Wear the Earbuds for Proper Fit

Figure 5: Four-Point Support for Enhanced Stability
4. Operating Instructions
4.1. Music Mode Controls
| Function | Action | Earbud |
|---|---|---|
| Play/Pause | Single tap | Left (L) or Right (R) |
| Previous Track | Press and hold 1.5s | Left (L) |
| Next Track | Press and hold 1.5s | Right (R) |
| Volume - | Double tap | Left (L) |
| Volume + | Double tap | Right (R) |
4.2. Call Mode Controls
| Function | Action | Earbud |
|---|---|---|
| Answer/End Call | Single tap | Left (L) or Right (R) |
| Reject Call | Press and hold | Left (L) or Right (R) |
| Voice Assistant | Triple-tap | Right (R) |
| Game Mode | Triple-tap | Left (L) |

Figure 6: Smart Button Control Overview
5. Charging
5.1. Charging the Earphones
Place the earphones into the charging case. They will begin charging automatically.
5.2. Charging the Charging Case
Connect the USB Type-C charging cable to the charging case and a power source.
5.3. Battery Indicators
| Indicator Light | Status |
|---|---|
| Red light (10s) | Earphone battery level < 20% |
| Yellow light (10s) | Earphone battery level 20%-69% |
| Green light (10s) | Earphone battery level 70%-99% |
| White light (180s) | Pairing mode |
| White light (1s) | Paired successfully |
| Red light (3 times) | Charging case battery level 5%~1% |
| Red light (10s) | Charging case battery level 20%~5% |
| Yellow light (10s) | Charging case battery level 20%-69% |
| Green light (10s) | Charging case battery level 70%-99% |
| Green light (constant) | Charging case battery level 100% |
Note: When the battery of the charging case is extremely low, it will stop charging the headphones. At this time, the charging case needs to be fully charged before charging the headphones.

Figure 7: Day-and-Night Playtime and Fast Charging
6. Specifications
| Feature | Specification |
|---|---|
| Bluetooth Name | OHAYO AiryClamp A7 |
| Bluetooth Version | 5.4 |
| Communication Range | 10m (in open environments) |
| Earphone Battery Capacity | 50mAh |
| Charging Case Battery Capacity | 500mAh |
| Input | DC 5V=1A |
| Charging Time | 1.5h-2h |
| Frequency Response Range | 20 - 20000Hz |
| Sensitivity | 98dB |
| Impedance Range | up to 32 Ω |
| Driver Diameter | 12mm |
| Weight (Single earphone) | 4.2g |
| Weight (Total) | 45.6g |
| Charging Port | Type-C |
| Waterproof Rating | IPX7 |
| Voice Assistant Built-in | Yes (Apple Siri Support, Google Assistant Support) |
| Microphone | Yes (with ENC Noise Cancelling Mic) |
| Active Noise-Cancellation | No |
| Material | Metal, Plastic, Silica Gel |
Battery life varies: 6.2h at 60% volume (25°C). At max volume or below 0°C, expect 30% shorter playback.

Figure 8: Advanced Bluetooth 5.4 Technology

Figure 9: 12mm Powerful Sound Driver

Figure 10: IPX7 Waterproof and Splashproof
7. Troubleshooting
If you encounter any issues with your OHAYO AiryClamp A7 headphones, please refer to the following common problems and solutions:
7.1. Cannot be turned on
- The battery power is low. Charge the headphones for 1 to 2 hours.
7.2. No indication of charging power
- Check whether the charging interface of the headphones is in contact with the POGO PIN of the charging case and whether the insertion method is correct.
- Charge the charging case for 2 to 3 hours.
- Make sure the headphones are placed properly in the case.
- Remove any stains on the charging copper column.
- Check if the Type-C USB charging cable is properly plugged in and if the power switch is turned on.
7.3. One earphone has no sound
- The left and right earphones failed to connect and pair. Re-pair after restoring the factory settings.
7.4. Sound quality issues
- Sound quality depends on your phone's Bluetooth® version (5.0+ recommended). Older devices may limit AAC/SBC performance.
- Update your phone's OS and use music apps supporting HD audio (e.g., Spotify Premium).
7.5. Unstable connection
- Keep your phone within 10m of the headphones.
- Avoid microwave ovens or crowded Wi-Fi areas.
- Reset pairing if interrupted.
8. Factory Reset
To reset the earphones to factory settings:
- Turn off Bluetooth on your device or place the earphones into connecting mode.
- Place the earphones into the charging case.
- Press and hold the charging case button for approximately 10 seconds.
- The indicator light will flash RED three times and then turn off, completing the factory reset.
Note: After restoring factory settings, the headphones must be reconnected to your Bluetooth device. Some Bluetooth devices may require the original paired name of the headphones to be removed from the device's Bluetooth list in order to connect normally.
9. Maintenance
To ensure the longevity and optimal performance of your OHAYO AiryClamp A7 headphones, follow these maintenance guidelines:
- Cleaning: Regularly wipe the earphones and charging case with a soft, dry, lint-free cloth. Do not use harsh chemicals or abrasive materials. Ensure charging contacts are clean and free of debris.
- Storage: When not in use, store the earphones in their charging case to protect them from dust and damage. Keep the device in a cool, dry place, away from extreme temperatures and direct sunlight.
- Battery Care: Avoid fully discharging the battery frequently. For long-term storage, charge the battery to about 50% every few months.
- Water Exposure: While the earphones are IPX7 waterproof, avoid prolonged submersion in water. Dry them thoroughly after exposure to sweat or rain before placing them back in the charging case.
- Charging Cable: Use only the provided USB Type-C charging cable or a certified equivalent.
10. User Tips
- For the best sound experience, ensure the earbuds are properly fitted in your ears as shown in the "How to Wear" section. A good fit is crucial for sound quality and comfort.
- If you experience any discomfort, try adjusting the ear racks slightly. The open-ear design is meant to be pressure-free.
- To maximize battery life, always place the earbuds back into the charging case when not in use.
- For clear calls, ensure the microphone is not obstructed and you are in a relatively quiet environment. The AI Call Noise Cancellation works best in moderate noise conditions.
- If you plan to use the headphones for sports, the secure clip-on design and IPX7 rating make them suitable for various activities like running, gym workouts, and mountain climbing.
11. Warranty and Support
Your OHAYO AiryClamp A7 headphones come with a warranty. To activate your warranty, please send your Amazon ORDER ID to support@ohayoaudio.com. You may also be eligible to receive a Bluetooth speaker upon warranty activation.
For further assistance or to view the full user manual in PDF format, please refer to the official documentation:
FCC Conditions: This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: 1. This device may not cause harmful interference. 2. This device must accept any interference received, including interference that may cause undesired operation.
EU Conformity Statement: This product and, if applicable, the supplied accessories are also marked with "CE" and comply with the applicable harmonized European standards listed under the EMC Directive 2004/108/EC, the RoHS Directive 2011/65/EU and the WEEE directive 2012/19/EU. Products marked with this symbol cannot be disposed of as unsorted municipal waste in the European Union. For proper recycling, return this product to your local supplier upon the purchase of equivalent new equipment or dispose of it at designated collection points. For more information, see: www.recyclethis.info.
WARNING: Built-in lithium battery! Do not charge in humid, hot or cold environments! Fire danger!