YINYOO Easy KZ ZST Colorful Hybrid Banlance Armature with Dynamic in-Ear Earphone 1BA+1DD HiFi Headset KZ in Ear Monitors Headphones Wired Earbuds IEM Earphones Gaming Earbuds (Col

【Comfortable Fit & Excellent Sound】Solid ergonomic experience, durable, designed with a memory wire technology, the kz zst wired in-ear headphones make it easier to keep moving, providing a locked-in fit. Independent sound channel for each driver, the sound will not be distorted, bring you a new kind of auditory sense, dental, and sound like feeling extremely rich. The mid bass and treble driver unit have a rich, vigorous performance at bass, midrange and treble; bass, mids and treble is rich and energetic.