With a lightweight honeycomb aluminum casing, these open-air headphones produce no sense of pressure on the ears, offering a completely natural listening experience. Newly designed 53 mm drivers with bobbin-wound CCAW voice coils deliver spacious sound with superior highs and mids. The self adjusting wing support automatically adjusts to your head size for easy-wearing listening comfort. A straight cord at the left earpiece terminates to a mini plug with included ¼'' adapter. Features: Newly designed 53 mm drivers reproduce clear treble and mid-range Bobbin-wound CCAW voice coils for superior power handling Full open-air type headphones produce no sense of pressure on the ears, resulting in a completely natural sensation Lightweight aluminum honeycomb casing with excellent acoustic properties Self-adjusting 3D Wing Support provides a comfortable listening experience; total ear-fit design minimizes pressure Flexible raised-fabric earpads offer excellent wearing comfort and durability Highly conductive OFC single-sided cord with elastic TPE sheath to prevent tangles Gold-plated stereo 1/8” (3.5 mm) connector with 1/4” (6.3mm) adapter Specifications DRIVER 53mm, Neodymium Magnet, CCAW Voice Coil FREQUENCY RESPONSE 5 - 30,000Hz OUTPUT SOUND 100dB/mW IMPEDANCE 38Ω MAXIMUM INPUT POWER 700mW PLUG ∅ 6.3mm/3.5mm gold-plated stereo mini-plug WEIGHT 265g