Introduction
Welcome to the user manual for your Oraimo SpaceBuds Air OTW-324S True Wireless Earbuds. These earbuds are designed to provide a comfortable listening experience with their lightweight half-in-ear design and extended battery life. This manual will guide you through the setup, operation, maintenance, and troubleshooting of your new device.

Image: Oraimo SpaceBuds Air OTW-324S True Wireless Earbuds and their charging case.
What's in the Box
Please check the package contents to ensure all items are present:
- Oraimo SpaceBuds Air OTW-324S True Wireless Earbuds (Left and Right)
- Charging Case
- USB Charging Cable
- User Manual
Product Overview
The Oraimo SpaceBuds Air OTW-324S feature a comfortable half-in-ear design, engineered for a lightweight and pressure-free fit, allowing for extended listening sessions without discomfort. The compact charging case provides additional power on the go.

Image: Close-up of the earbuds highlighting their comfortable half-in-ear fit and lightweight design.
Key Features:
- Comfortable Half-In-Ear Fit: Ergonomically designed for lightweight and pressure-free wear.
- Extended Playtime: Up to 38 hours of total playtime with the charging case.
- Stable Wireless Connection: Bluetooth V5.4 for quick pairing and strong connectivity up to 10 meters.
- IPX5 Water Resistance: Protects against sweat and splashes, suitable for workouts.
- Touch Control: Intuitive touch sensors for managing music, calls, and voice assistant.
- Oraimo Sound App Support: For personalized settings, smart earbud finder, and Sound360 Spatial Sound.

Image: Overview of multiple features including comfortable fit, long playtime, smart earbud finder, and spatial sound.
Setup
1. Charging the Earbuds and Case
Before first use, fully charge the earbuds and the charging case. Connect the USB charging cable to the charging port on the case and a power source. The indicator lights on the case will show the charging status.
- Earbud Playtime: Up to 6.5 hours on a single charge.
- Total Playtime: Up to 38 hours with the charging case.
- Fast Charging: 10 minutes of charging provides approximately 2 hours of playtime.

Image: The charging case and earbuds, illustrating the impressive 38-hour total playtime and fast charging feature.
2. Pairing with Your Device
- Open the charging case. The earbuds will automatically enter pairing mode, indicated by flashing lights.
- On your device (smartphone, tablet, etc.), enable Bluetooth.
- Search for available Bluetooth devices and select "Oraimo SpaceBuds Air OTW-324S" from the list.
- Once connected, the indicator lights on the earbuds will stop flashing, and you will hear a confirmation tone.
The earbuds use Bluetooth V5.4 for a stable connection up to 10 meters (33 feet).
Operating Instructions
Power On/Off
- Power On: Open the charging case, and the earbuds will automatically power on.
- Power Off: Place the earbuds back into the charging case and close the lid. They will automatically power off and begin charging.
Touch Controls
The Oraimo SpaceBuds Air OTW-324S feature intuitive touch controls on each earbud. The specific functions can often be customized via the Oraimo Sound App.
| Action | Function |
|---|---|
| Single Tap (Left/Right) | Play/Pause Music, Answer/End Call |
| Double Tap (Right) | Next Track |
| Double Tap (Left) | Previous Track |
| Long Press (Left/Right) | Reject Call, Activate Voice Assistant |
Oraimo Sound App
Enhance your experience by downloading the Oraimo Sound App. The app allows you to:
- Customize touch controls.
- Access the Smart Earbud Finder feature to locate misplaced earbuds.
- Personalize your Bluetooth name.
- Activate Sound360 Spatial Sound for an immersive audio experience.

Image: A user experiencing Sound360 Spatial Sound with the earbuds.
Anti-Lost Lanyard
For added security and convenience, the Oraimo SpaceBuds Air OTW-324S can be used with an anti-lost lanyard, ensuring your earbuds stay with you during active use.

Image: Charging cases with anti-lost lanyards for secure carrying.
Maintenance
Proper maintenance ensures the longevity and optimal performance of your earbuds.
- Cleaning: Regularly clean the earbuds and charging case with a soft, dry, lint-free cloth. Avoid using harsh chemicals or abrasive materials.
- Storage: When not in use, store the earbuds in their charging case to protect them from dust and damage.
- Water Resistance: The earbuds have an IPX5 rating, meaning they are protected against sweat and splashes. Do not submerge them in water or expose them to heavy rain.
- Charging Port: Keep the charging port clean and free of debris to ensure efficient charging.
Troubleshooting
If you encounter any issues with your Oraimo SpaceBuds Air OTW-324S, please refer to the following common solutions:
- Earbuds not pairing:
- Ensure both earbuds are charged.
- Turn off Bluetooth on your device and turn it back on.
- Place the earbuds back in the case, close the lid, wait a few seconds, then open it again to re-enter pairing mode.
- Forget the device from your phone's Bluetooth settings and try pairing again.
- No sound from one or both earbuds:
- Check the volume level on your device and the earbuds.
- Ensure the earbuds are properly connected to your device.
- Try resetting the earbuds (refer to the Oraimo Sound App or product support for specific reset instructions).
- Charging issues:
- Ensure the charging cable is securely connected to both the case and the power source.
- Check if the charging port is clean and free of debris.
- Try a different charging cable or power adapter.
- Connection drops frequently:
- Ensure there are no obstructions between the earbuds and your device.
- Stay within the 10-meter Bluetooth range.
- Avoid strong electromagnetic interference.
Specifications
Here are the technical specifications for the Oraimo SpaceBuds Air OTW-324S:
| Feature | Detail |
|---|---|
| Model Number | OTW-324S |
| Brand Name | Oraimo |
| Color | Speed Black |
| Connectivity Technology | Wireless (Bluetooth V5.4) |
| Headphones Form Factor | In-Ear |
| Headphone Jack | No Jack |
| Control Method | Touch |
| Battery Charge Duration | Up to 8 hours (single charge playtime) |
| Total Playtime with Case | Up to 38 hours |
| Item Weight | 200 grams |
| Compatible Devices | Smartphones, Tablets, Laptops, Desktop Computers, Digital Video Game Players |
| Included Components | Earbuds |
| Age Range Description | Adults and Teenagers |
| Shipping Dimensions | 11.9 x 9.8 x 3.2 cm |
Warranty and Support
Your Oraimo SpaceBuds Air OTW-324S are covered by a limited warranty. For detailed warranty information, product support, or to register your product, please visit the official Oraimo website or contact their customer service. Keep your purchase receipt for warranty claims.
Safety Information
Please read and follow these safety guidelines to ensure safe operation and prevent damage to your device or injury to yourself:
- Hearing Protection: Avoid listening at high volume levels for extended periods to prevent hearing damage.
- Driving Safety: Do not use earbuds while driving or cycling, or in situations where you need to hear ambient sounds.
- Children: Keep earbuds and small parts away from children to prevent choking hazards.
- Disposal: Dispose of the product and its battery responsibly according to local regulations. Do not dispose of with household waste.
- Temperature: Do not expose the product to extreme temperatures (hot or cold) or direct sunlight.
- Cleaning: Use only a dry, soft cloth for cleaning. Do not use liquids or sprays.





