"Single-driver KZ Earphones KZ merga iem wired headphones not only must the deviation between 20hz-200hz be controlled to 8db or higher but the deviation between 200hz-1khz must also be controlled within 2db.single-driver earphones simply cannot achieve these data requiremnets.only the dual-dynamic drivers acoustic solution,where low-frequercy and mid-high frequency divsion is output by different sound-emiting units,can achieve this" "8mm driver's performance kz earphones the all-new 8mm dynamic driver,with its delicate size.defiel imagination and delivers powerful sound effect that strike directly at your heart.despite its compact size.its performance surpasses traditional 10mm dynamic driver" kz merga in ear gaming headphones adopts mainstream pcb electronic crossover technology.deeply excavating and fully utilizing the performance potential pf each driver.this ensure that each driver works within the most suitable frequency range,whether it's for bright and extended high frequencies,full and warm mid frequencies,or deep and impactful low frequencies.all can be vibidy displayed "sturdy and durable replaceable cable design the design allows you to easily replace and upgrade cables,catering to your various earphone usage scenarios,significantly extending the lifespan of your earphones" "Classic Ergonomic Desig kz merga wireds gaming earphones fearures a around-the-ear wearing design,which conforms better to the shape of the ear.the lightweight resin material of the housing combined with skin-friendly soft silicone ear tips,provides listeners with a more comfortable wering experience.letting you enjoy music in comfor." product information product model merga impedance 33Ω sensitivity 104db frequncy 20-40000hz plug type 3.5mm pin type 0.75mm cable type silver-plated cable ofc cable cable length 120±5cm wearing type in-ear