The Sony MDR-RF811RK Headband Wireless Headphones in Black are sleek and stylish headphones designed for personal audio use. With an adjustable headband and volume control, these headphones offer convenience and comfort for everyday wear. The wireless technology ensures freedom of movement while the digital RF connectivity ensures high-quality sound. Manufactured in the 2020s, these headphones weigh 137g and have a sensitivity of 102dB, providing a immersive listening experience. Perfect for those who prefer a comfortable on-ear design with a modern look. These are opened but never used. Purchased for my dad to use at work but unfortunately was unable to go back so stayed stored away for the past 2 years
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