MI0226W Features High air duct Agent type ear hanging 3.5mm stereo plug Aluminum alloy shell， bass high-grade horn Supports intelligent switching， volume control and answering the phone Built-in microphone  General Specs Brand & Model KYX Speaker 10mm， 32ohm   Sensitivity 102dB， S， P， Lat 1KHZ Rated Power 100 MW Cable Length 1.0 m Package Details Weight: 42.80 g Size: 10.5*7.5*3 cm