Introduction
Thank you for choosing the SGNICS IAII15 Wireless Earbuds. This manual provides detailed instructions on how to set up, operate, and maintain your earbuds to ensure optimal performance. These earbuds feature advanced Bluetooth 5.3 technology, IPX7 waterproofing, intuitive touch controls, and a long-lasting battery for an enhanced audio experience.
What's in the Box
Please check the package contents to ensure all items are present:
- SGNICS IAII15 Wireless Earbuds (Left and Right)
- Charging Case
- USB Charging Cable
- Ear Cushions (various sizes)
- User Manual (this document)

Image: The SGNICS IAII15 wireless earbuds, showing both earbuds and their charging case. The earbuds are white with a sleek design, and the charging case is compact, also in white.
Product Overview
Earbud Components
- Touch Control Area: For managing playback, calls, and voice assistant.
- Microphone: For calls and voice commands.
- Charging Contacts: For charging within the case.
- LED Indicator: Shows connection status and battery level.
Charging Case Components
- Earbud Charging Slots: Securely holds and charges the earbuds.
- LED Digital Power Display: Shows remaining battery percentage for the case and individual earbuds.
- USB-C Charging Port: For charging the case.

Image: The SGNICS IAII15 charging case with its lid open, revealing the earbuds inside. A prominent LED digital display on the front of the case shows battery percentages for both the case and the individual left and right earbuds.
Setup
1. Charging the Earbuds and Case
Before first use, fully charge the earbuds and charging case. Connect the provided USB charging cable to the USB-C port on the charging case and a power source. The LED digital display on the case will show the charging progress. The earbuds will charge automatically when placed inside the case.
- A single charge provides approximately 5 hours of playback.
- The charging case provides an additional 35 hours of listening time (7 full charges).
- A quick 10-minute charge can provide up to 1 hour of playback.
2. Pairing with Your Device
- Ensure both earbuds are charged.
- Open the charging case. The earbuds will automatically power on and enter pairing mode.
- On your device (smartphone, tablet, etc.), go to Bluetooth settings and turn Bluetooth on.
- Look for "IAII15" in the list of available devices and select it to connect.
- Once connected, the earbuds will automatically reconnect to the last paired device when removed from the case.
The SGNICS IAII15 earbuds utilize Bluetooth 5.3 technology for a more stable connection, lower latency, and reduced power consumption.

Image: A diagram illustrating the benefits of Bluetooth 5.3 technology, including more stable connection, lower power consumption, longer transmission range, and lower latency compared to previous Bluetooth versions.
Operating Instructions
The SGNICS IAII15 earbuds feature intuitive touch controls on each earbud. The functions are generally mirrored on both earbuds unless specified.
Music Playback
- Play/Pause: Single tap on either earbud.
- Next Track: Double tap on the right earbud.
- Previous Track: Double tap on the left earbud.
- Volume Up: Triple tap on the right earbud.
- Volume Down: Triple tap on the left earbud.
Phone Calls
- Answer/End Call: Single tap on either earbud.
- Reject Call: Press and hold either earbud for 2 seconds.
Voice Assistant
- Activate Voice Assistant (Siri, Google Assistant, etc.): Press and hold either earbud for 3 seconds.
Maintenance
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, then dry thoroughly before reattaching.
- Use a cotton swab or soft brush to carefully clean the charging contacts on both the earbuds and the case.
- Avoid using abrasive materials, alcohol, or chemical cleaners.
Water Resistance (IPX7)
The SGNICS IAII15 earbuds and charging case are IPX7 waterproof, meaning they can withstand immersion in water up to 1 meter for 30 minutes. This makes them resistant to sweat, rain, and splashes.
- Do not intentionally submerge the earbuds or case for extended periods or beyond specified depths.
- Ensure the charging port is dry before charging to prevent damage.
- After exposure to water, wipe the earbuds and case dry before placing them back in the charging case or charging.

Image: The SGNICS IAII15 wireless earbuds and their charging case are shown with water droplets, illustrating their IPX7 waterproof capability, making them resistant to sweat, water, and rain.
Storage
When not in use, store the earbuds in their charging case to protect them and keep them charged. Store in a cool, dry place away from extreme temperatures.

Image: A person's hand holding a single SGNICS IAII15 earbud and the compact charging case, emphasizing their light and portable design. A feather graphic further illustrates the 3g weight of a single earbud.
Troubleshooting
If you encounter any issues with your SGNICS IAII15 Wireless Earbuds, please refer to the following common solutions:
- Earbuds not pairing with device:
- Ensure both earbuds are fully charged.
- Place earbuds back in the charging case, close the lid, then open it again to re-initiate pairing mode.
- Turn off and on your device's Bluetooth.
- Forget "IAII15" from your device's Bluetooth list and try pairing again.
- Ensure earbuds are within 10 meters of your device.
- Only one earbud working:
- Ensure both earbuds are charged.
- Place both earbuds back in the charging case, close the lid, then open it again. This often re-syncs them.
- Clean the charging contacts on both earbuds and in the case.
- No sound or low volume:
- Check the volume level on both your device and the earbuds.
- Ensure the earbuds are properly connected to your device.
- Try cleaning the earbud speaker mesh.
- Charging case not charging:
- Ensure the USB-C cable is securely connected to both the case and the power source.
- Try a different USB-C cable or power adapter.
- Check if the charging port is clean and free of debris.
Specifications
| Model Name | IAII15 |
| Connectivity Technology | Wireless (Bluetooth 5.3) |
| Driver Size | 13mm Graphene Composite Drivers |
| Water Resistance Rating | IPX7 |
| Earbud Battery Life | Up to 5 hours (single charge) |
| Total Playtime (with case) | Up to 40 hours |
| Quick Charge | 10 minutes charge for 1 hour playback |
| Control Method | Touch Control |
| Noise Control | CVC 8.0 Noise Cancellation (for calls) |
| Earbud Weight | 3.2 grams (each) |
| Material | Acrylonitrile Butadiene Styrene (ABS) |

Image: A detailed view of the internal components of an SGNICS IAII15 earbud, specifically highlighting the 13mm dynamic driver responsible for delivering authentic and detailed audio with stunning bass.
Warranty and Support
SGNICS products are designed for reliability and performance. For warranty information or technical support, please refer to the contact details provided with your purchase or visit the official SGNICS website. Please retain your proof of purchase for any warranty claims.