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Title: Sony MDR Wireless Infrared Headphones  
Category: Electronics  
Brand: Sony  
Description: Lightweight over‑ear headphones with 28‑hour rechargeable playback and optional AAA battery operation, delivering 40 mm driver sound via infrared FM stereo.  
Details: Features a self‑adjusting headband, muting function, 8‑meter infrared reception, and a 10 Hz‑20 kHz frequency response.

Price is $