Introduction
This manual provides comprehensive instructions for the safe and efficient use of your AMORNO SX-991 Foldable Bluetooth Neckband Headphones. Please read this manual thoroughly before operating the device and retain it for future reference.

Image: The AMORNO SX-991 Foldable Bluetooth Neckband Headphones in black, showcasing its foldable design and retractable earbuds, accompanied by its protective carrying case.
What's in the Box
- 1 x AMORNO Bluetooth Headphones
- 1 x Protective Carrying Case
- 1 x USB Charging Cable
- 3 x Sets of Eartips (Small, Medium, Large)
- 1 x User Manual

Image: A visual representation of the AMORNO SX-991 package contents, including the headphones, carrying case, USB cable, user manual, and multiple eartip sizes.
Product Overview
Familiarize yourself with the various components and controls of your headphones.

Image: A detailed diagram highlighting the location of the ON/OFF switch, Volume/Next Song buttons, Microphone, Answer/Hang up/Pause music button, Earbud Retract Buttons, and Type-C Charging Port on the AMORNO SX-991 headphones.
Key Features:
- Foldable Design: The neckband can be folded for compact storage and easy portability.
- Retractable Earbuds: Press a button to automatically retract the earbuds, keeping wires tidy.
- Bluetooth 5.2: Provides a stable and fast wireless connection.
- CVC 6.0 Noise Cancelling: Filters out background noise for clearer audio.
- Call Vibration Reminder: The neckband vibrates to alert you of incoming calls.
- Multi-device Connectivity: Can connect to two Bluetooth devices simultaneously.
Setup
1. Charging the Headphones
- Connect the USB charging cable to the charging port on the headphones and to a USB power source (e.g., computer, wall adapter).
- The LED indicator will show a red light during charging.
- Charging takes approximately 3.5 hours for a full charge. The red light will turn off when fully charged.
2. Pairing with a Bluetooth Device
- Ensure the headphones are fully charged.
- Slide the ON/OFF switch to the "ON" position. The headset will prompt "Power On" with a vibration, and the red and blue lights will flash alternately, indicating it's ready for pairing.
- On your device (smartphone, tablet, laptop), enable Bluetooth and search for available devices.
- Select "AMORNO-SX991" from the list of available devices.
- Once successfully paired, the blue light will flash slowly.
3. Pairing with 2 Mobile Phones Simultaneously
- Pair the headset with the first mobile phone as described above.
- Turn off the Bluetooth function on the first mobile phone.
- Turn off the headset.
- Turn on the headset again and pair it with the second mobile phone.
- After successful pairing with the second phone, turn on the Bluetooth function of the first mobile phone. The headset will automatically connect to both phones.

Image: Illustration showing the AMORNO SX-991 headphones wirelessly connected to two different mobile phones simultaneously.
Operating Instructions
Power On/Off
- Power On: Slide the ON/OFF switch to "ON". The headset will vibrate and prompt "Power On".
- Power Off: Slide the ON/OFF switch to "OFF". The headset will vibrate and prompt "Power Off".
Music Control
- Play/Pause: Press the Multi-function button (phone icon).
- Next Song: Press the Volume + button.
- Previous Song: Press the Volume - button.
- Volume Up: Long press the Volume + button.
- Volume Down: Long press the Volume - button.
Call Handling
- Answer Call: Press the Multi-function button (phone icon) when a call comes in.
- End Call: Press the Multi-function button (phone icon) during a call.
- Reject Call: Long press the Multi-function button (phone icon) when a call comes in.
- Call Vibration Reminder: The headset will vibrate for incoming calls, ensuring you don't miss them.

Image: A user wearing the AMORNO SX-991 headphones, with an illustration of a vibrating phone icon, indicating the call vibration reminder feature.
Retractable Earbuds
- To extend the earbuds, gently pull them out from their housing.
- To retract, press the earbud retract button located on the side of the neckband. The earbuds will automatically retract into the housing.

Image: Close-up view of a hand demonstrating the retractable earbud feature of the AMORNO SX-991 headphones.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the headset. Avoid harsh chemicals or abrasive materials.
- Storage: Store the headphones in the provided protective carrying case when not in use to prevent damage. Avoid extreme temperatures.
- Eartips: Regularly check and clean the eartips. Replace them with the provided spares if they become worn or uncomfortable.
Troubleshooting
| Problem | Solution |
|---|---|
| Headphones do not power on. | Ensure the headphones are fully charged. Check the ON/OFF switch position. |
| Cannot pair with device. | Ensure Bluetooth is enabled on your device and the headphones are in pairing mode (red and blue lights flashing alternately). Move the headphones closer to the device. |
| No sound or low volume. | Adjust the volume on both the headphones and your connected device. Ensure the headphones are properly connected. |
| Intermittent connection. | Ensure the headphones are within the 10-meter Bluetooth range of your device. Avoid obstacles between the headphones and the device. |
Specifications
- Model: SX-991
- Brand: AMORNO
- Connectivity: Bluetooth 5.2
- Bluetooth Range: 10 Meters
- Battery Life (Music): 16 Hours
- Battery Life (Talk): 18 Hours
- Standby Time: 300 Hours
- Charging Time: 3.5 Hours
- Weight: 3.04 ounces
- Dimensions: 6.69 x 4.33 x 1.57 inches
- Material: Silicone
- Noise Control: CVC 6.0 Passive Noise Cancellation
- Water Resistance: Not Water Resistant

Image: Infographic detailing the AMORNO SX-991 headphones' battery life (18 hours talk, 16 hours music, 300 hours standby), Bluetooth 5.2 technology, and 3.5 hours charging time.
Official Product Video
Video: An official product video showcasing the AMORNO Foldable Bluetooth Neckband Headphones, demonstrating its features and design.
Warranty and Support
AMORNO provides a 1-year warranty for the SX-991 Bluetooth Headphones. For any product issues, questions, or support, please contact AMORNO customer service.
- Warranty Period: 1 Year
- Contact: Refer to the warranty card included in your package for specific contact details or visit the official AMORNO website.