Introduction
Thank you for choosing LASUNEY Wireless Earbuds. This manual provides detailed instructions on how to set up, operate, and maintain your earbuds to ensure optimal performance and longevity. Please read this manual carefully before use and retain it for future reference.
Package Contents
Please check the package for the following items:
- LASUNEY Wireless Earbuds (Left & Right)
- Charging Case
- USB-C Charging Cable
- Eartips (Small, Medium, Large)
- User Manual
- Storage Bag
Setup
1. Initial Charging
Before first use, fully charge the earbuds and the charging case. Connect the provided USB-C cable to the charging port on the case and a power source. The indicator lights on the case will show the charging status. The earbuds will charge automatically when placed inside the case.

Image: USB-C charging port on the charging case.

Image: Earbuds in charging case, highlighting Type-C charging and battery life.
2. Wearing the Earbuds
For optimal sound quality and comfort, choose the correct size eartips and ensure the ear hooks are securely positioned over your ears.
- Choose the right size eartips (S/M/L) and insert the earbuds into your ear canal.
- Place the ear hook of the earbud above your ear.
- Twist the ear hook to a comfortable and secure position.

Image: Guide for comfortable and secure earbud fit.
3. Pairing with Your Device
The earbuds feature one-step auto-pairing for convenience.
- Take the earbuds out of the charging case. They will automatically enter pairing mode.
- On your device (smartphone, tablet, etc.), go to Bluetooth settings.
- Search for Bluetooth devices and select "C3" from the list to connect.
- Once connected, the earbuds are ready for use.

Image: One-step auto-pairing process with a mobile device.
Operating Instructions
Touch Controls
The earbuds feature a single multi-function touch button on each earbud for easy control.

Image: Smart touch control functions diagram.
| Action | Function |
|---|---|
| Press and Hold (approx. 3 seconds) | Power On / Off |
| Single Tap | Play / Pause Music, Answer a Call |
| Double Tap (Left Earbud) | Previous Song, Volume - |
| Double Tap (Right Earbud) | Next Song, Volume + |
| Triple Tap | Activate Voice Assistant (Siri/Google Assistant) |
| Press and Hold (during call) | Reject a Call, Hang up a Call |
Active Noise Reduction for Calls
The earbuds are designed with active noise reduction technology to minimize ambient noise during calls, ensuring clear conversations in various environments.

Image: Active noise reduction in various settings.
Maintenance
Cleaning
- Regularly clean the eartips and earbud surfaces with a soft, dry, lint-free cloth.
- Do not use harsh chemicals, cleaning solvents, or strong detergents.
- Ensure the charging contacts on both the earbuds and the case are clean and dry to prevent charging issues.
Storage
- When not in use, store the earbuds in their charging case to protect them and keep them charged.
- Keep the earbuds and charging case in a cool, dry place, away from extreme temperatures and direct sunlight.
- Use the provided storage bag for added protection during travel.

Image: Ergonomic design features and included storage bag.
Troubleshooting
| Problem | Possible Solution |
|---|---|
| Earbuds not pairing | Ensure earbuds are charged. Place them back in the case, then take them out to re-enter pairing mode. Turn off and on your device's Bluetooth. Forget "C3" from your device's Bluetooth list and re-pair. |
| No sound from one earbud | Check if both earbuds are charged. Try placing both earbuds back in the charging case and then taking them out again. Re-pair the earbuds with your device. |
| Earbuds not charging | Ensure the charging cable is securely connected. Check if the charging contacts on both earbuds and case are clean and free of debris. Try a different USB-C cable or power adapter. |
| Poor sound quality | Ensure eartips are properly sealed in your ear canal. Clean any earwax from the eartips. Move closer to your connected device to avoid interference. |
| Touch controls unresponsive | Ensure your fingers are clean and dry. Try restarting the earbuds by placing them in the case and taking them out. |
Specifications
| Feature | Detail |
|---|---|
| Brand | LASUNEY |
| Model | B0BMTYF5P5 |
| Connectivity Technology | Bluetooth |
| Wireless Communication Technology | Bluetooth |
| Ear Placement | In Ear |
| Form Factor | Over Ear (with earhooks) |
| Control Type | Touch Control |
| Water Resistance Level | Waterproof |
| Battery Life (Earbuds) | Up to 6 Hours per charge |
| Total Playtime (with Charging Case) | Up to 35 Hours |
| Charging Port | USB-C |
| Material | Silicone |
| Item Weight | 4.9 ounces |
| Package Dimensions | 5.55 x 4.84 x 2.13 inches |
Warranty and Support
For warranty information or technical support, please refer to the contact details provided with your purchase or visit the official LASUNEY website. Please have your product model number (B0BMTYF5P5) ready when contacting support.