Specification Brand Awei ES 20TYPort 3 5mm jack portSpeaker size 10mmFrequency 20Hz 20 KHzSensitivity 90dBImpedance 16Line Length 1 2mDescription Wired in ear buds and comfortable in ear compact design with soft silicone sweat proof ear tips reduce outside noise In ear earphones with mic for hands free make you fully enjoy uninterrupted music or talk on your phone everywhere3 5mm port headphones Ideal for electronic devices Android smartphones windows phones MP3 MP4 player iPad iPod other devices with 3 5 mm interface Smooth touch feeling and lightweight earphones make it perfect to keep staying in your ears you can use this earphone at home house working when listening music