The KudoZip are zipper style earbuds reducing tangling headphones dramatically These include a microphone on the cord with an onoff or answer end call feature, A unique concept with an outstanding sound quality, Features:, In ear style headphones, In-line microphone for cell phone use, Onoff switch on the coard - Answer End calls - Play Stop music, Passive noise isolation, Durable cable with TPE coat and OFC wires, Three sizes of silicone eartips included for comfortable fit, Works with iPhone, iPod, Blackberry, MP34, computer, CD players etc, Storage bag included, Technical Data:, Drive unit:Moving coil dynamic speaker, Speaker size: 8mm, Magnet: Neodymium, Sensitivity: 101+-3dB At 1KHz1mW, Frequency response: 18Hz-22KHz, R L balance< 3dB50Hz-6KHz 1mW, THD, total harmonic distortion: <3, Impedance: 16 Ohm, Rated input power: 5mW, Maximum input power: 10mW, Cable: length 1, 2m TPE Material, Plug: 3, 5mm gold-plate, Accessories: Silicon eartips in size of SML, Color: Black, SKU: WLSNG010