Twelve South 12-1914

Twelve South AirFly Duo Bluetooth 5.0 Transmitter Instruction Manual

Model: 12-1914 | Brand: Twelve South

1. Introduction

The Twelve South AirFly Duo is a versatile Bluetooth 5.0 transmitter designed to wirelessly connect your AirPods, earbuds, or any wireless headphones to devices equipped with a 3.5mm audio jack. This allows for a seamless audio experience with in-flight entertainment systems, gym equipment, gaming devices, and more, eliminating the need for wired connections.

What's in the Box

  • AirFly Duo Bluetooth Transmitter
  • USB-C Charging Cable
  • Travel Pouch
  • Quick Start Guide
Contents of the AirFly Duo package including the transmitter, USB-C charging cable, and travel pouch.
The AirFly Duo package includes the transmitter, a USB-C charging cable, and a convenient travel pouch for portability.

2. Setup and Pairing

Follow these steps to set up and pair your AirFly Duo with your wireless headphones:

  1. Turn on AirFly Duo: Slide the ON/OFF switch on the side of the AirFly Duo to the ON position. The AirFly Duo will flash white and amber to indicate it's in pairing mode.
  2. Put Headphones in Pairing Mode: Place your wireless headphones (e.g., AirPods) into pairing mode. For AirPods, open the charging case with the AirPods inside and press and hold the button on the back of the case until the status light flashes.
  3. Connect: Once the light on AirFly Duo turns solid white, your headphones are connected. Plug the AirFly Duo into the 3.5mm headphone jack of your desired audio source.
  4. Connect a Second Pair of Headphones (Optional): To pair a second set of headphones, repeat steps 1 and 2, then press the second pairing button on the AirFly Duo.
Diagram showing the steps to pair AirFly Duo with one or two pairs of headphones.
Visual guide for pairing your wireless headphones with the AirFly Duo.

Setup Demonstration Videos

This video demonstrates the AirFly Duo, its components, and how to store it in its pouch. It also highlights its use for audio sharing.

A review of the AirFly Bluetooth Adapter, showcasing its features and demonstrating the pairing process with headphones.

3. Operating the AirFly Duo

The AirFly Duo allows you to enjoy audio wirelessly from any device with a 3.5mm audio jack. Its compact design and flexible cable ensure compatibility with various setups.

Key Features and Usage Scenarios

  • Wireless Freedom: Connect your wireless headphones to in-flight entertainment, gym equipment, gaming devices, TVs, or any device with a 3.5mm audio jack.
  • Dual Headphone Support: Share audio with a friend or partner by connecting two pairs of wireless headphones simultaneously.
  • Superior Sound Quality: Equipped with Bluetooth 5.0 and aptX Low Latency codecs for high-quality audio with minimal delay.
  • Long-Range Connectivity: Enjoy audio up to 10 meters (33 feet) away from the source device.
Diagram illustrating the AirFly Duo's features, including 22+ hours of battery life, dual headphone pairing, headphone out, and compatibility with air travel, gym, and gaming.
Overview of AirFly Duo's capabilities and compatible environments.
Two children watching a tablet with the AirFly Duo connected, sharing audio to their wireless headphones.
The AirFly Duo enables two people to enjoy audio from a single source simultaneously.
AirFly Duo connected to an in-flight entertainment system, with a person holding AirPods.
Enjoy in-flight entertainment wirelessly with your preferred headphones.
A person using AirFly Duo connected to gym equipment, listening with wireless headphones.
The AirFly Duo provides wireless audio for gym equipment, enhancing your workout experience.

Usage Demonstration Videos

This video highlights the AirFly Duo as a travel essential, demonstrating its use with in-flight entertainment to connect wireless headphones.

A demonstration of the AirFly Duo, emphasizing its convenience for using wireless headphones with in-flight entertainment.

A short video showcasing the AirFly Duo as a favorite travel accessory for airplanes, enabling wireless audio.

This video presents the AirFly Duo as an Amazon travel favorite, illustrating its ease of use for wireless audio on the go.

4. Maintenance and Charging

To ensure optimal performance and longevity of your AirFly Duo, follow these maintenance guidelines:

  • Charging: The AirFly Duo features a USB-C charging port. Use the provided USB-C cable to charge the device. It can be used while charging.
  • Battery Life: Enjoy over 20 hours of uninterrupted audio on a single charge.
  • Cleaning: Wipe the device with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials.
  • Storage: Store the AirFly Duo in its travel pouch when not in use to protect it from dust and damage.
AirFly Duo connected to a USB-C charging cable, illustrating the charging port.
The AirFly Duo charges via a standard USB-C port.

5. Troubleshooting

If you encounter issues with your AirFly Duo, consider the following:

  • Audio Quality Issues: If you experience anything less than high-quality audio, first check the audio source. Ensure your device supports Bluetooth 5.0 and aptX Low Latency codecs for optimal performance.
  • Connection Drops: If the connection is lost, try turning the AirFly Duo off and then back on to re-establish the connection. Re-pairing your headphones may also resolve the issue.
  • Pairing Difficulties: Ensure both the AirFly Duo and your headphones are in pairing mode. Refer to your headphone's manual for specific pairing instructions.
  • No Power: Ensure the AirFly Duo is fully charged. Connect it to a power source using the USB-C cable.

6. Specifications

FeatureDetail
Product Dimensions2.24 x 1 x 0.43 inches
Item Weight0.64 ounces
Item Model Number12-1914
Batteries1 Lithium Polymer batteries required (included)
Wireless Communication TechnologiesBluetooth
Connectivity TechnologiesBluetooth
Special FeaturesPairs up to two headphones
Human Interface InputButtons
ColorWhite
ManufacturerTwelve South
Power SourceBattery Powered
MaterialPlastic

7. Safety Information

Keep Away from Small Children & Pets.

8. Support

For further assistance, warranty information, or customer service options, please visit the official Twelve South support website:

support.twelvesouth.com

© 2025 Twelve South. All rights reserved.

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