1. Introduction
Thank you for choosing the Oraimo Necklace Lite OEB-311 Wireless Neckband Earphones. This manual provides essential information for setting up, operating, and maintaining your earphones to ensure optimal performance and longevity. Please read this manual thoroughly before use and retain it for future reference.

Figure 1: Oraimo Necklace Lite OEB-311 Wireless Neckband Earphones
2. Package Contents
Ensure all items are present in the package:
- Oraimo Necklace Lite OEB-311 Wireless Neckband Earphones
- USB Charging Cable
- User Manual (this document)
- Ear Tips (various sizes)
3. Product Overview & Features
The Oraimo Necklace Lite OEB-311 earphones are designed for an enhanced audio experience with convenience and durability. Key features include:
- 30-Hour Playtime: Extended battery life for all-day use.
- Dual-Device Connectivity: Seamlessly switch between two paired devices.
- Noise Reduction in Calls (ENC Tech): Clearer voice calls by reducing ambient noise.
- IPX4 Waterproof: Resistant to sweat and light splashes, suitable for workouts.
- Magnetic Earbuds: Prevents tangling and secures earphones when not in use.
- Low-Latency Game Mode: Optimized audio-visual synchronization for gaming.
- Call Vibration Alerts: Neckband vibrates to notify of incoming calls.
- Deep Bass (HavyBass™): Enhanced bass performance for rich audio.

Figure 2: Overview of key features including Call Vibration Alert, 30-hour Playtime, Thumping Bass, Dual Device Connection, and Clear Voice in Calls.

Figure 3: Close-up of the neckband showing control buttons and design elements.
4. Setup
4.1 Charging the Earphones
Before first use, fully charge your Oraimo Necklace Lite earphones. The earphones feature ASAP Charge technology for quick power-ups.
- Connect the provided USB charging cable to the charging port on the neckband.
- Connect the other end of the cable to a USB power adapter (not included) or a computer's USB port.
- The LED indicator will show charging status. It will typically turn solid when fully charged.
4.2 Bluetooth Pairing
To connect your earphones to a device:
- Ensure the earphones are powered off.
- Press and hold the Multi-function button (usually the power button) until the LED indicator flashes red and blue alternately, indicating pairing mode.
- On your device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
- Select "Oraimo Necklace Lite OEB-311" from the list of found devices.
- Once connected, the LED indicator will flash blue slowly or turn off, depending on the model.
4.3 Dual Device Connectivity
The OEB-311 supports connecting to two Bluetooth devices simultaneously.
- Pair the earphones with the first device as described in section 4.2.
- Disable Bluetooth on the first device. The earphones will re-enter pairing mode.
- Pair the earphones with the second device.
- Re-enable Bluetooth on the first device. The earphones should automatically connect to both devices.
- To switch audio playback, simply pause audio on one device and start playing on the other.

Figure 4: Illustration of the dual device connection feature, allowing seamless switching between two paired devices.
5. Operating Instructions
5.1 Power On/Off
- Power On: Press and hold the Multi-function button for approximately 3 seconds until the LED indicator flashes blue.
- Power Off: Press and hold the Multi-function button for approximately 5 seconds until the LED indicator flashes red and then turns off.
5.2 Music Playback
- Play/Pause: Press the Multi-function button once.
- Next Track: Press and hold the Volume + button.
- Previous Track: Press and hold the Volume - button.
- Volume Up: Short press the Volume + button.
- Volume Down: Short press the Volume - button.
5.3 Call Management
- Answer/End Call: Press the Multi-function button once.
- Reject Call: Press and hold the Multi-function button for 2 seconds.
- Call Vibration Alert: The neckband will vibrate for incoming calls.

Figure 5: Detail illustrating the call vibration alert feature, where the neckband vibrates to notify of incoming calls.
5.4 Low-Latency Game Mode
Activate Game Mode for reduced audio delay during gaming.
- Activate/Deactivate Game Mode: Refer to the specific button combination in your quick start guide or the Oraimo app, typically a triple-press of the Multi-function button.
5.5 Magnetic Earbuds
The earbuds feature magnets to keep them securely together around your neck when not in use, preventing tangles and loss.

Figure 6: The magnetic earbuds feature, allowing them to securely attach to each other when not in use.
6. Maintenance
Proper care ensures the longevity of your earphones:
- Cleaning: Use a soft, dry cloth to clean the earphones. Do not use harsh chemicals or abrasive materials.
- Sweat Resistance: The IPX4 rating means the earphones are resistant to sweat and light splashes. Wipe them dry after intense workouts. Do not submerge them in water.
- Storage: Store the earphones in a cool, dry place away from direct sunlight and extreme temperatures.
- Charging: Use only the provided charging cable or a certified equivalent.
7. Troubleshooting
If you encounter issues with your Oraimo Necklace Lite OEB-311, refer to the following common solutions:
- Earphones not powering on: Ensure the earphones are fully charged.
- Cannot pair with device:
- Ensure the earphones are in pairing mode (LED flashing red and blue).
- Disable and re-enable Bluetooth on your device.
- Forget the device from your Bluetooth list and try pairing again.
- Ensure the earphones are within the Bluetooth range of your device.
- No sound or low volume:
- Check the volume levels on both the earphones and your connected device.
- Ensure the earphones are properly connected to your device.
- Try playing different audio sources.
- Poor call quality:
- Ensure the microphone is not obstructed.
- Move to an area with less environmental noise.
- Check your device's network signal.
8. Specifications
| Feature | Detail |
|---|---|
| Model Name | Oraimo Necklace Lite OEB-311 |
| Connectivity Technology | Wireless (Bluetooth) |
| Form Factor | In Ear, Neckband |
| Playtime | Up to 30 Hours |
| Special Features | Sweatproof (IPX4), Magnetic Earbuds, ENC Tech, Low-Latency Game Mode, Call Vibration Alerts, Dual Pairing, Deep Bass (HavyBass™) |
| Item Weight | 20 Grams |
| Included Components | USB Charging Cable |
| Manufacturer | Oraimo |

Figure 7: Visual representation of the 30-hour long playtime capability of the earphones.

Figure 8: Illustration of the HavyBass™ technology, highlighting the deep bass audio experience.
9. Warranty and Support
Oraimo products are designed to meet high quality standards. For warranty information, please refer to the warranty card included in your package or visit the official Oraimo website. For technical support or customer service, please contact Oraimo customer support through their official channels or the retailer where the product was purchased.
You can find more information and support on the Oraimo Store on Amazon.