Urban Beatz Tempo Headphones with In-line Mic - White/Red (M-HM705) Sound isolating headphones Luxurious and soft cushioned ear pads Built in microphone and volume control Compatible with devices with 3.5mm audio jack including iPhone, iPod, Smartphones, and Tablets Driver Units: 40 mm; Frequency Response: 20~20 KHz; Sensitivity: 108 dB; Impedance: 32 ; Cord Length: 1.5 m; Jack : 3.5 mm plug