Product features ? Tone quality design based on the latest research results of acoustic engineering and psychology. I can make the music fun with clear sound quality. ? Original earpiece swingfit mechanism ? With swingfit mechanism, you can shake the earpiece left and right, fit snugly to the inclination of the auditory canal. Prevents deformation caused by the opening of the earpiece hitting the ear canal. The sound is transmitted directly to the eardrum, realizing a clear sound. ? 6.4 mm ? Dynamic type driver unit ? Parts and assembly precision is the most important driver unit. The small diameter 6.4 ? dynamic type driver unit adopted this time boasts exceptional accuracy as this price range. ? Aluminum cutting high rigidity casing ? The aluminum scraping out and anodized finish case strongly supports the driver unit and suppresses unnecessary vibration as compared with resin case. As a tool for everyday use of adults, it has a simple shape and texture, and it also has a consistent design with the sound quality that can be said as a standard. ? Stainless steel mesh on the back of the case ? There is a small opening on the back of the cabinet and it has a role to extend the playback band of the bass range. In order to prevent sound leakage from the opening, there is a filter inside and it has a double structure with a stainless steel mesh on the outside. ? Original cable with reduced touch noise ? Considering touch noise, soft and supple coating material is adopted. Even when using the ear hook, it flexes flexibly and achieves good wearing. ? aging ? As for this product, since it is a small caliber, it takes a long time before the change of aging becomes difficult to understand. About 150 to 200 hours, If you can use it normally, delicacy will increase, the original design intent will be the sound quality. ? ? Detailed description: Newsbridge