PRODUCT DETAILS The adoption of an enclosed design reduces sound leakage & provides powerful bass reproduction. These headphones are ideal to be used with Android, Windows & Apple smartphones. These headphones are certified for iPod, iPhone & iPad, & deliver a unique sound experience to your i Tunes library. Featuring a Sensitivity level of 100d B. AUDIO FEATURES Driver Units: 9 mm Frequency Response: 20-20.000 Hz Impedance: 16 Ohm Max. Input Power 100 m W Sensitivity 100 d B Plug: 3.5 mm 4P stereo mini-plug (gold) Cable Length: 1, 2 m