KZ ZS4 HiFi Stereo In-ear Earphone with Ear Hook Music Earbuds (Microphone Version)

KZ ZS4 HiFi Stereo In-ear Earphone with Ear Hook Music Earbuds (Microphone Version) - Red HiFi earphone, provides a perfect sound effectDouble unit independent pronunciation, provides you a high-quality music experienceLightweight design, wearing more comfortableSolid ergonomic wear experience, durable, providing a locked-in fit The midbass and treble driver unit have a rich, vigorous performance at bass, midrange and treble, bass, mids and treble are rich and energetic Solid ergonomic wear experience, durable, the in-ear headphones make it easier to keep moving, providing a locked-in fit The cable use 3.5mm plug, with the stylish design and high-end sound quality Use 3.5mm plug and 0.75mm gold plated 2 pin, with the stylish design and high-end sound quality, designed for iPhone and other smartphonesCable length: 1.2mSpecifications:Brand: KZ Model: ZS4Material: Metal, PC Type: In-Ear Function: HiFiConnectivity: Wired   Frequency response: 20Hz - 40KHz Impedance: 18?Sensitivity: 101dBCompatible with: iPhone iPad iPod (with 3.5mm port)Samsung HTC Xiaomi etc smartphones and tabletsMP3/MP4 playersOther devices with 3.5mm port