Twelve South AirFly SE Bluetooth Audio Transmitter (2nd Gen)

Name: Twelve South AirFly SE Bluetooth Audio Transmitter (2nd Gen)
Brand: Twelve South
SKU: TS-2516

Twelve South|

MPN: TS-2516

UPC: 0811370024905

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Key Features

1 x 3.5 mm TRS analog audio input
Bluetooth audio transmission to wireless listening devices
Up to 20 hours of rechargeable battery operation
Onboard volume control
USB-C charging-only port
One-button pairing with device memory

Send audio from a 3.5 mm headphone or line output to Bluetooth listening gear without keeping a cable between the source and the listener. AirFly SE (2nd Gen) accepts one 3.5 mm TRS audio input and transmits that signal wirelessly to compatible Bluetooth headphones, earbuds, or speakers. It fits airline seatback entertainment, treadmill consoles, laptops, handheld gaming systems, and other sources that provide analog audio but no Bluetooth output. Use the built-in rechargeable lithium-polymer battery for up to 20 hours of operation between charges. Onboard volume controls allow adjustment at the adapter, while the pairing button retains previously paired listening devices for faster reconnection. The USB-C port is used for charging from 5 V DC power, and a USB-C to USB-A charging cable is included. Twelve South TS-2516 is the white AirFly SE second-generation version with a compact plastic enclosure measuring 2.2 x 1 x 0.4 inches. Its single analog input keeps the connection method straightforward: plug the adapter into the audio source, pair Bluetooth listening gear, and control the source audio without a tethered headphone cable. The small format is suited to travel bags and mobile-use accessories where a full Bluetooth transmitter would take unnecessary space.

Ideal For

Airline seatback entertainment systems with a 3.5 mm headphone jack
Treadmills and exercise machines with wired audio outputs
Laptop or handheld gaming audio sent to Bluetooth headphones
Portable Bluetooth audio connection for speakers and earbuds

Why This Product

1Second-generation SE version with a single 3.5 mm TRS audio input
2Up to 20 hours of built-in rechargeable battery operation
3Onboard volume controls for adjustment at the transmitter
4Compact 2.2 x 1 x 0.4 in white plastic enclosure

Power

Battery Life	Up to 20 hours
Power Source	Built-in rechargeable battery
DC Input Power	5 VDC
Battery Chemistry	Built-in rechargeable lithium-ion polymer battery

Physical

Color	White
Material	Plastic enclosure

Packaging

Box Dimensions	0.9 x 3.7 x 5.2 in box dimensions
Included Cable	USB-C to USB-A charging cable included
Package Weight	0.15 lb package weight

Connectivity

USB Port	1 x USB-C female input, charging only
Audio Input	1 x 3.5 mm TRS line input
Bluetooth Function	Bluetooth audio transmitter

Identification

UPC	UPC 0811370024905

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Frequently Asked Questions

What is the difference between AirFly SE and TS-2516?▾

AirFly SE is the product model designation, while TS-2516 is the Twelve South ordering code for this white second-generation Bluetooth audio transmitter. Both names refer to the same adapter with a 3.5 mm TRS audio input and USB-C charging.

What is included with TS-2516?▾

TS-2516 includes the AirFly SE Bluetooth transmitter with its built-in rechargeable lithium-polymer battery and a USB-C to USB-A charging cable. The adapter connects to an audio source through its integrated 3.5 mm TRS line input.

Can AirFly SE connect to airline entertainment systems?▾

Yes. AirFly SE is intended to transmit audio from a 3.5 mm headphone output, including compatible airline seatback entertainment systems, to Bluetooth headphones, earbuds, or speakers. Connect the adapter to the seatback audio jack, then pair the listening device.

How long does the AirFly SE battery last?▾

The built-in rechargeable lithium-polymer battery provides up to 20 hours of operation. Charging uses the USB-C port with 5 V DC input power, and a USB-C to USB-A charging cable is included for connection to a suitable USB power source.