Audio-Technica ATHM50XBT Wireless Bluetooth Over-Ear Headphones, Black

Closed back circumaural headphones with Bluetooth connectivity, collapsible design, 45mm neodymium magnet, built in microphone, volume controls, and 40 hour battery.

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Wireless, on the go design delivers the same critically acclaimed sonic performance as the original ATH M50x professional studio headphones
Touch control provides convenient access to voice assist. Sensitivity – 99 dB/mW. Impedance – Impedance
Mic and button controls built into the ear cup allow for easy handling of calls, music playback and volume adjustment
Proprietary 45 millimeter large aperture drivers deliver exceptional clarity throughout an extended frequency range, with deep, accurate bass response
Includes 30 centimeter (1.0 feet) USB charging cable and carrying pouch; Magnet: Neodymium