Audio-Technica AT-WLA1 Bluetooth headphone adapter (Open Box) - Discontinued active-noise-cancelling 4mm output is compatibility and

4mm output is compatibility and convenience

5N Platinum pure silver minimal skin effect and impeccable audio signal transmission

and Snapdragon Sound codecs

Tube sockets: Polytetrafluoroethylene (PTFE) tube sockets

Audio-Technica AT-WLA1 Bluetooth headphone adapter (Open Box) - Discontinued active-noise-cancelling 4mm output is compatibility andAudio Technica AT WLA1 The AT WLA1 wireless headphone adapter cable utilizes Bluetooth technology to turn wired in ear headphones into wireless headphones. The cable works with any in ear headphones equipped with A2DC (Audio Designed Detachable Coaxial) cable connectors. The AT WLA1 features an in line mic and controls, allowing you to answer calls, adjust volume and control music playback on compatible smartphones and other devices. The cables behind