COMPATIBILITY: Studio 2 and Studio 3 wired and wireless overear headphones (Model B0500, Model B0501 and Model A1914). Do not fit Solo OnEar headphones. Please check your headphone model before . MATERIAL AND COMFORT: materials with density memory foam and softer protein leather. Internal luxurious memory foam padding is durable and flexible, designed for long wear. Provides maximum ear comfort for allday listening. EASY UPGRADE: Refresh your listening experience by replacing old earpads with our ones. A simple upgrade that extends the life of your headset. NO LOSS OF SOUND QUALITY: Memory foam cushions reduce outside noise while preserving the original sound of your headphones. Enjoy a quieter listening environment even in noisy surroundings. USE SCENARIOS: In the studio for long mixing, monitoring, or editing sessions where comfort matters. While commuting or traveling to block ambient noise and reduce fatigue. At home or in the office for extended listening during movies, gaming, or video calls.