1 / 7Twelve South AirFly SE Bluetooth Audio Transmitter Adapter
The Twelve South AirFly SE is a battery-powered Bluetooth audio transmitter adapter for sending sound from a 3.5mm audio jack to wireless headphones. Its listed features include quick pairing, volume buttons and over 20 hours of battery life, the listing also says it can be used while charging with the included USB-C cable.
At a glance
- Transmits audio from a 3.5mm audio jack to AirPods, earbuds or wireless headphones, according to the listing.
- The listing claims over 20 hours of use on one charge and operation while charging via the included USB-C cable.
- Built-in buttons are listed for volume adjustment.
Reference price: $34.97
Price checked: Nov 11, 2026
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Pros and cons
Pros
- Designed to add Bluetooth headphone listening to audio sources with a 3.5mm jack.
- Can reportedly be used while charging, which may help during extended listening sessions.
- Quick pairing and physical volume controls are listed.
Technical specifications
5 specifications| Brand | Twelve South |
|---|
| Wireless connection listed | Bluetooth |
|---|---|
| Special feature | Quick Pairing Mode |
| Power configuration | Battery Powered |
|---|
| Material listed | Plastic |
|---|
What to know before buying
Listing details to confirm
The over-20-hour battery-life figure and use-while-charging capability are listing claims, not independently verified performance measurements.
Who is it for?
A good fit for
- Travelers who want to use wireless headphones with in-flight entertainment or other 3.5mm audio sources.
- People seeking a Bluetooth audio transmitter for gym equipment or gaming devices with a 3.5mm jack.
Less suited to
- Buyers whose audio source lacks a 3.5mm audio jack or who need a receiver rather than a transmitter.
Customer reviews on Amazon
- 5 stars
70% 70% - 4 stars
12% 12% - 3 stars
6% 6% - 2 stars
3% 3% - 1 star
9% 9%
The supplied evidence includes an aggregate rating of 4.3 out of 5 stars, but no review count or qualitative customer comments. That rating alone does not identify particular strengths, drawbacks or how the adapter performs with a specific audio source.
Frequently asked questions
What does the AirFly SE connect to?
The listing describes it as a transmitter for sending audio from a 3.5mm audio jack to AirPods, earbuds or wireless headphones.
How long does the battery last?
The listing claims over 20 hours on a single charge. Actual runtime is not independently established here.
Can it be used while charging?
The listing says it can be used while charging with the included USB-C cable.
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