Tile Arranged Triple Dynamic Driver DM380 is triple dynamic driver earphone, linear layout driver design effectively minimized the interference between drivers and present clear sound performance. Titanium Diaphragm Dynamic Headphones Three Titanium diaphragm dynamic drive with the characteristics of high rigidity, light weight, good elasticity and excellent acoustic performance, achieve a full and delicate vocal expression with enhanced richness, heart rumbling bass with layers of natural representation. HiFi Active Crossover HiFi Active Crossover design delivers a natural and deli cate sound, two 5mm Titanium diaphragm dynamic driver provides a powerful bass and well defined mid- range, one 6mm Titanium diaphragm dynamic driver brings impressive nice performance in highs. High Purity OFC Sliver Plated Wire High purity OFC sliver plated wire greatly reduce the transmission loss, sliver plating effectively improve the high range performance. Hi-Res Certification DM380 has been certified by Hi-Res Audio, widen frequency range to 20Hz-40Khz, ensure the clear and complete music experience. Efficient Magnetic Circuit, easy to drive DUNU special designed high efficiency magnetic circuit combined with lightweight Titanium diaphragm provides better dynamic response and transient performance, greatly improves the ease of driving, which can be easily driven by mobile phone without professional equipment. Comfort Wearing Based on the ergonomically designed, after collecting large number data of shell radians, catheter angles, constantly optimize the design to reach a supreme comfort and wearing experience. Convenient On-line Control, High Definition Microphone DM380 comes with three control buttons and a high resolution microphone, making it easy to use and reli- able for listening to music and voice calls. Customized Leather Storage Bag The package comes with a exquisite leather bag, lightweight and easy to carry.