More Details: Please note: The microphone is compatible with Xiaomi and other android smartphone and iPhone、 but volume control doesn't work on iPhone.  Features: 45  semi-in-ear headphone. It is more comfortable for our ears. Built-in microphone、 clear call. Easy to our life. Wired control function、 adjust volume and answer\/reject call. Specifications:          General Specification             Brand Name        Xiaomi              Model Number        JNEJ01JY             Optional Color        Black、 White             Cable Length        1.25m             Wearing Type        In-ear             Product Weight (g)        14g           Technical Parameters             Conectivity Interface        3.5mm metal plated             Rated Power        5mW             Frequency Response        20Hz-20kHz             Implementation Standards         GB\/T 14471-2013             Impedance        32Ω             Microphone        Yes    Package  Included:                  1 X Xiaomi Capsule Wired Control Headphone            1 X Manual