Headphones specifically designed for the active lifestyle. The lightweight and unique design is both comfortable and functional. An included running pouch will keep your device secure, whatever activities you are getting up to. Specifications: - Speaker: 40mm - Sensitivity: 105 approximately 3 dB/mW (S.P.L at 1KHz) - Impedance: 32 approximately 15 percent - Frequency Response: 20Hz-20,000Hz - Rated Power: 15mW - Cable length: 1.2 approximately 0.2 M - Plug Type: 3.5mm Stereo What's in the box Headphones