Audio-Technica SonicPro Over-Ear High-Resolution Noise Cancellation Headphones with Slappa HardBody Headphone Case & Cleaning Cloth Beach Camera Exclusive Bundle - Includes SonicPro Headphones, Case & Cleaning Cloth Exclusive 45 mm True Motion Drivers Noise-cancelling and venting technologies work together to maintain the Hi-Res Audio reproduction Ultra-comfortable memory foam earpads and headband Internal rechargeable battery provides 30 hours of continuous headphone use when fully charged