Product Description SUPERIOR SOUND QUALITY: Enjoy superb, balanced sound and supreme comfort with the OneOdio Studio monitor headphones. Large, 50 millimeter speaker unit drivers combined with neodymium magnets provides stereo Hi-Fi level sound; powerful bass, clear vocal, and crisp high tones form perfect balanced sound. BUILT TO STAY COMFORTABLE: The high quality padded ear cushions are specifically designed for monitor headphones maximum comfort and noise isolation. The headband is adjustable and stretchable for you to find the desired angle you like to fit in. NO MORE ADAPTER: A long, DJ-style 9.8-foot cord easily reaches from the TV or stereo to your favorite chair. A standard-sized 6.3mm plug and a 3.5mm plug are included. They both are completely detachable, so that you don't need to spend all hours of the day plugged into your mixer. SINGLE-SIDE MONITORING: 90° swiveling earcups for single-ear monitoring anytime; self-adjustable and flexible headband delivers a fatigue-free listening experience that can last for hours, perfect for mastering and mixing. WORKS WITH: For iPhone iPad iPod, Android and many other audio devices. High-quality sound, supreme durability, and maximum comfort. These are the headphones you've been looking for. Specifications Speaker: 50 mm Impedance: 32 Sensitivity: 110dB+/-3dB Frequency Response: 20Hz-20KHz Plug Type: 3.5mm/6.3mm Cable1: 1.5m-2.8m Spring Cable Cable2: 1.2m Cable With Micrphone Note: There has two versions--studio standard/studio pro. Package Content Studio Standard 1*Studio Standard Headphone 1*6.3mm to 3.5mm Red Cable, 2.6m 1*3.5mm to 3.5mm Black Cable with Microphone, 1.2m 1*Retail Box Studio Pro 1*Studio Pro Headphone 1*6.3mm to 3.5mm Red Cable, 2.6m 1*3.5mm to 3.5mm Black Cable with Microphone, 1.2m 1*Pouch 1*Retail Box