GENUINE and ORIGINAL Packing same as Pictures. - 9.9mm ultra-slim design Clip hangers can be mounted simply rotate Jobs - Careers highly elastic polyamide resin clip hanger for a comfortable fit - The recruitment of high-performance 30mm diameter driver units - Impedance 20 - Sensitivity 102dB/mW - 1000mW maximum input - Frequency Response 14 24,000 Hz - Cord length: 1.0m - Plug the stereo mini-plug kind of (Diameter 3.5 mm, straight type, 24K gold-plated) And weighs about 32g (including code) on approximately 23g (without cord)