1. Introduction
Thank you for choosing the erjigo KZ SA08 True Wireless Bluetooth Earbuds. This manual provides detailed instructions for the proper use, setup, and maintenance of your new earbuds. Please read this manual thoroughly before use to ensure optimal performance and longevity of your device.
Product Features:
- 8BA High-Fidelity Sound: Features 8 customized balanced armatures for clear and natural audio.
- Bluetooth 5.0: Ensures stable connection and high-quality music transmission with AAC coding.
- Physical Passive Noise Reduction: Ergonomic design reduces external environmental noise.
- Low Latency High-Performance Mode: Reduces audio delay for gaming and video.
- Smart Touch Controls: Intuitive touch interface for music, calls, and other functions.
- Independent Earbud Use: Both left and right earbuds can be used independently.

Image: The KZ SA08 True Wireless Bluetooth Earbuds resting inside their black, circular charging case with the lid open.
2. Setup
2.1 What's in the Box
- KZ SA08 True Wireless Earbuds (Left and Right)
- Charging Case
- User Manual
2.2 Charging the Earbuds and Case
- Place the earbuds into the charging case, ensuring they are correctly seated in their respective slots.
- Connect the charging case to a power source using a compatible USB cable (not included).
- The indicator lights on the case will show the charging status. Refer to the case's indicators for full charge status.
Note: Fully charge the earbuds and charging case before first use.
2.3 Bluetooth Pairing
- Initial Pairing: Take both earbuds out of the charging case. They will automatically power on and enter pairing mode.
- On your device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
- Select "KZ SA08" from the list of found devices to connect.
- Once connected, you will hear an audible confirmation, and the earbuds' indicator lights will change.

Image: The KZ SA08 earbuds automatically connecting to a mobile phone after being removed from their charging case, illustrating the flash back connection feature.
Automatic Reconnection: After the first successful pairing, the earbuds will automatically connect to the last paired device when removed from the charging case.
3. Operation
3.1 Wearing the Earbuds
The earbuds are designed with an ergonomic ear hook structure for a secure and comfortable fit. Insert the earbud into your ear canal and adjust the ear hook over your ear until it feels stable. Proper fit ensures optimal sound quality and passive noise reduction.

Image: A person wearing a black KZ SA08 earbud, demonstrating the in-ear fit and ear hook design for passive noise reduction.
3.2 Touch Controls
The KZ SA08 earbuds feature intuitive touch controls on each earbud. The functions are as follows:
| Action | Function |
|---|---|
| Single click touch key | Play/Pause music, Answer/Hang up a call |
| Double click left/right touch key | Previous/Next song |
| Long press touch key | Reject call |
| Long press touch key for 2 seconds | Activate Voice Assistant (Siri, Google Assistant, etc.) |
| Triple click touch key | Activate High-Performance Mode (for gaming/video) |

Image: A visual guide illustrating the various touch control functions for music, calls, gaming, and voice assistant activation on the KZ SA08 earbuds.
3.3 Independent Earbud Use
Both the left and right earbuds can be used independently. This allows for flexible usage, such as using one earbud for calls while the other charges, or for maintaining awareness of your surroundings.

Image: A diagram showing the left and right KZ SA08 earbuds separately, indicating their ability to be used independently, with a phone screen below playing music.
4. Maintenance
4.1 Cleaning
- Regularly clean the earbuds and charging case with a soft, dry, lint-free cloth.
- Do not use abrasive cleaners, alcohol, or chemical solvents.
- Gently remove any earwax or debris from the ear tips and speaker mesh using a small, soft brush or cotton swab.
4.2 Storage
- When not in use, always store the earbuds in their charging case to protect them and keep them charged.
- Store the device in a cool, dry place, away from extreme temperatures and direct sunlight.
4.3 Battery Care
- To preserve battery life, avoid fully discharging the earbuds and charging case frequently.
- Charge the device regularly, even if not in frequent use.
5. Troubleshooting
Common Issues and Solutions:
- Earbuds not pairing or only one earbud working:
- Ensure both earbuds are fully charged.
- Place both earbuds back into the charging case, close the lid for a few seconds, then take them out again to re-initiate pairing.
- On your device, forget or delete "KZ SA08" from your Bluetooth settings, then attempt to pair again from scratch. - Earbuds not charging:
- Check that the charging cable is securely connected to both the case and the power source.
- Ensure the charging contacts on the earbuds and inside the case are clean and free of debris.
- Try a different charging cable or power adapter. - Low volume or poor sound quality:
- Adjust the volume on both your connected device and the earbuds.
- Ensure the earbuds are properly seated in your ears for a good seal.
- Clean any earwax or debris from the ear tips and speaker mesh. - Bluetooth connection unstable:
- Ensure your device is within the effective range of the earbuds (typically 10 meters/33 feet) without significant obstacles.
- Avoid environments with strong Wi-Fi or other wireless interference.
- Disconnect and reconnect the earbuds from your device.
6. Specifications
| Feature | Detail |
|---|---|
| Brand | erjigo |
| Model | SA08 |
| Bluetooth Version | 5.0 |
| Sensitivity | 102dB |
| Frequency Response | 20-40kHz |
| Earphone Power (single ear) | 30mA |
| Charging Bin Power | 400mA |
| Earphone Weight (single ear) | 5.7g |
| Charging Bin Weight | 44g |
| Unit Configuration | 22955 balanced armature*1; 29689 balanced armature*1; 31736 balanced armature unit combination*1 |
| Control Method | Touch |
| Water Resistance Level | Water Resistant |
| Material | Plastic, Silicone |
7. Warranty & Support
7.1 Warranty Information
The erjigo KZ SA08 True Wireless Bluetooth Earbuds come with a standard manufacturer's warranty. Please refer to the warranty card included in your product packaging for specific terms, conditions, and duration of the warranty. This warranty typically covers defects in materials and workmanship under normal use.
7.2 Customer Support
For any questions, technical assistance, or warranty claims, please contact the retailer where you purchased the product or visit the official erjigo website for support contact information. When contacting support, please have your product model (SA08) and proof of purchase ready.