Metal Zipper Earphone Headphones 3.5mm In-Ear Wired Ear Phones With Microphone Stereo Bass Headset For Mobile Phone MP3/4 Specification:-Perfect fit， precise sound--Frequency Range: 20-20000HZ--Products Impedance: 32 ohms--Headphone Plug: 3.5mm--Sensitivity:105db��3db--Cable length:105cm/47.24in--Net weight: 28g--Color:white，black.green，blue，red，rose red，yellow，orange，purple--Compatible for iPhone samsung Xiaomi and others mobilephone MP3/MP4，etc