Casti Pioneer SE-CL501T

These affordably priced headphones comes with a fully enclosed design that ensures excellent noise-isolation and powerful bass reproduction. Three types of ear tips are included for asecure and comfortable fit.The SE-CL501T has a line-in Microphone with an answer/end button, to make and receive calls without the hassle of unplugging your earphones.These earphones are available in Black and White.Black: SE-CL501T-K White: SE-CL501T-W Type Fully Enclosed Dynamic Inner-Ear Headphones for iPhone, Android and BlackBerry Frequency Response 20 - 20,000Hz Impedance 16 Maximum Input Power 100 mW Sensitivity 100 dB/mW Driver Unit Diameter 9mm Plug 3.5 mm straight plug (nickel plated) Cable Length 1.2 m (OFC Litz wire, Y-type) Accessories 3 x Additional ear tips (S/M/L) Weight (without cord) 4 g