Introduction
Thank you for choosing the HiFuture Sonify Open-Ear Wireless Headphones. These headphones are designed to provide a unique audio experience, allowing you to enjoy your music while maintaining awareness of your surroundings. Featuring an open-ear design, 20 hours of playtime, and AI-enhanced Environmental Noise Cancellation (ENC) for clear calls, the Sonify headphones are ideal for various activities. This manual provides detailed instructions on how to set up, operate, and maintain your new headphones.

Image: HiFuture Sonify Open-Ear Wireless Headphones with their charging case, presented in black.
Package Contents
Please check the package contents to ensure all items are present:
- HiFuture Sonify Open-Ear Wireless Headphones (Left and Right)
- Charging Case
- USB Charging Cable
- User Manual
Setup
1. Charging the Headphones and Case
Before first use, fully charge the headphones and the charging case.
- Connect the USB charging cable to the charging port on the case.
- Connect the other end of the cable to a USB power adapter (not included) or a computer's USB port.
- The indicator light on the charging case will show charging status. Once fully charged, the light will change or turn off.
- Place the headphones into the charging case. They will begin charging automatically. The indicator lights on the headphones will show their charging status.
A full charge provides approximately 20 hours of playtime with the charging case.
2. Bluetooth Pairing
Follow these steps to pair your HiFuture Sonify headphones with your device:
- Ensure the headphones are charged and inside the charging case.
- Open the charging case. The headphones will automatically enter pairing mode, and their indicator lights will flash.
- On your smartphone or Bluetooth-enabled device, go to the Bluetooth settings.
- Search for "HiFuture SONIFY" in the list of available devices.
- Select "HiFuture SONIFY" to connect. Once connected, you will hear a confirmation tone, and the indicator lights on the headphones will stop flashing.

Image: A smartphone screen displaying "HiFuture SONIFY Connected" next to the headphones and their open charging case, illustrating the Bluetooth pairing process.
The headphones will automatically reconnect to the last paired device when taken out of the case, if Bluetooth is enabled on the device.
Operating Instructions
The HiFuture Sonify headphones feature intuitive touch controls for managing your audio and calls.
- Play/Pause: Tap once on either headphone.
- Next Track: Double-tap the right headphone.
- Previous Track: Double-tap the left headphone.
- Answer/End Call: Tap once on either headphone during an incoming call.
- Reject Call: Press and hold either headphone for 2 seconds during an incoming call.
- Activate Voice Assistant: Triple-tap either headphone.
The open-ear design allows you to enjoy your audio while remaining aware of your surroundings, making them suitable for outdoor activities or environments where situational awareness is important. The AI-enhanced ENC microphone ensures your voice is clear during calls, even in noisy environments.
Maintenance
Proper maintenance will extend the lifespan of your HiFuture Sonify headphones.
- Cleaning: Use a soft, dry, lint-free cloth to clean the headphones and charging case. Do not use abrasive cleaners or solvents.
- Storage: When not in use, store the headphones in their charging case to protect them from dust and damage. Store in a cool, dry place away from extreme temperatures.
- Water Resistance: While designed for active use, avoid submerging the headphones in water. Wipe off any sweat or moisture after workouts.
Troubleshooting
If you encounter issues with your HiFuture Sonify headphones, try the following solutions:
- Headphones not pairing:
- Ensure Bluetooth is enabled on your device.
- Make sure the headphones are charged.
- Turn off Bluetooth on your device, then turn it back on.
- Forget "HiFuture SONIFY" from your device's Bluetooth list and try pairing again.
- Place headphones back in the case, close the lid, wait a few seconds, then open to re-enter pairing mode.
- No sound:
- Check the volume level on both your headphones and your connected device.
- Ensure the headphones are properly connected to your device.
- Try playing audio from a different application or source.
- Charging issues:
- Ensure the charging cable is securely connected to both the case and the power source.
- Try a different USB cable or power adapter.
- Clean the charging contacts on the headphones and inside the case with a dry cotton swab.
- Poor call quality:
- Ensure the microphone is not obstructed.
- Move closer to your connected device.
- Reduce background noise if possible.
Specifications
Key technical specifications for the HiFuture Sonify Open-Ear Wireless Headphones:
| Model Name | HSSW9-SONIFY |
| Brand | HiFuture |
| Ear Placement | Open Ear |
| Form Factor | On Ear |
| Colour | Black |
| Playtime | Up to 20 hours (with charging case) |
| Microphone | AI Enhanced ENC |
| Connectivity | Bluetooth 5.3 |
| Package Dimensions | 13.2 x 11 x 4.4 cm |
| Item Weight | 170 g |

Image: An exploded view of one HiFuture Sonify headphone, highlighting its internal components including the 15mm driver.
Warranty and Support
HiFuture products are designed and manufactured to the highest quality standards. For information regarding warranty coverage and customer support, please refer to the warranty card included in your package or visit the official HiFuture website.
For further assistance, you may contact HiFuture customer support through their official channels. Please have your product model number (HSSW9-SONIFY) and purchase details ready.
Official HiFuture Website: www.hifuture.com





