Colorful Housing by Acoustic Resin Material Designed with a memory wire hook technology, the kz zst in-ear headphones make it easier to keep moving, providing a locked-in fit. Patent Technology Silicone Ear Tips KZ ZST wired earbuds can more comfortable fit human ears, to sound more direct transmission of the eardrum, and get better music sound quality experience. Fits Better ，Feels Better Adopting ergonomic design, It will never fall off during exercise and fitness KZ ZST Technology Oriented Appearance Colorful and Carbon Fiber Black Two Color Scheme.KZ ZST wired in ear earbuds' cable used 3.5MM L plug, they can work with all Androids, tablets, mp3 players, phones, PC and related devices with a standard 3.5 mm jack. Elegant Appearance Skin Friendly Headphone Cap Fit to The Auricle Two Color Options Available OFC 6N Professional Headset Custom Wire Signal Effective Transmission of Up To 99.999% The Lower The Internal Resistance OfProfessionalWireThe Design Of Human Nature OFC 6N professional headset custom wire signal effective transmission of up to 99.999% Better sound quality and detailed performance Super Armature + Dynamic Unit Super Armature + Dynamic Unit The armature + dynamic unit sound advantage complementary,give more details of music show. Congenital Advantage,The Experience Is Really HIFI Super high moving iron unit with moving coil unit Congenital Advantage,The Experience Is Really HIFI Super high moving iron unit with moving coil unit can not reach the trebleperformance ability,and the details of this high pitched are widely used inthe preparation of the size of the music. Professional Division Of Physical Frequency Quality Tuning Technology Accurate Treble+Deep Bass Precise internal acoustic structure design, as well as the fine tuning ofthe circuit can be the two pronunciation units each fine division of labor,Is responsible for the interpretation of the moving iron treble part, isresponsible for the interpretation of the bass coil. Driver Performance ls Tough,Bass Bursts Are More Powerful Low Frequency Sound Unit The four voice coil to bring a stronger driving force,low frequency shock powerful, so that the overall sense of hearing more infectious. Excellent Appearance design and Excellent Sound Quality Suitable for Various Occasions Sports and Fitness Wear it for Sports and Fitness, Never Fall Off Enjoy Music Noise Isolation and Technological Configuration Bring Excellent Sound Quality Play a PC & Mobile Game Wired Headphone Design With Low Latency