Overview: Comfortable clip-on design with soft rubber support loops and large ear hangers enables long hours of listening without fatigue Offer a secure, comfortable ear-fitting design for long-wearing listening and sophisticated driver technology for outstanding sonic clarity. Earphones swivel open and click into ideal listening position Each earphone slides into position on a vertical axis for easy adjustment and a truly custom fit Impressive 28 mm neodymium magnets project powerful sound Specifications: Type: Dynamic Weight: 30g Driver Diameter: 28 mm Frequency Response: 14-24000Hz Sensitivity: 110dB/mW Impedance: 32 ohms Length: 1.2m Package Content: 1 x Headphone