Zumreed ZUM-80313 Fit n Quiet memory Foam Cushioned Earphones (Black) (Discontinued by Manufacturer) Cute iPod and iPhone headphones. Work great with any smart phones (Galaxy, iPhone) and MP3 players (iPod, Sandisk). 3.5mm plug Maximum comfort with memory foam coushioned earpads. Driver: 10mm Sensitivity: 97+-3dB Frequency Response: 20-20,000Hz