How about Westone stool American audio

Westone USA is a manufacturer specializing in research and development of equipment for the ear.

Westone has more than 30 years of acoustic equipment research experience, has always been widely used in the professional field, until recent years to promote to the civilian market, the general music lovers can finally try Westone earbuds at a popular price of sound quality and a wide range of soundstage

Westone is a professional R & D ear equipment manufacturers, Westone has the world's first creation of the most advanced 2-way splitter and 3-way splitter, Westone has the most advanced 2-way splitter and 3-way splitter. Westone has the world's first and most advanced 2-way split and 3-way split technology, and its UM1 is an entry-level, non-customized in-ear earbud.

Westone has more than 30 years of experience in acoustic equipment research, and has always been widely used in the professional field, and only in recent years has it been extended to the civilian market, so that music lovers can finally try the sound quality and wide soundstage of Westone's earbuds at a popular price. And Etymotic (Etymotic) ER4, ER6, ER6i. Shure (Shure) E5, E3 and other headphones. All of them use moving-iron units, but Westone has the world's first creation of the most advanced 2-way sound and 3-way sound technology. Unlike general moving coil headphones, the moving iron type of pronunciation unit can be made very small, so you can put 2 or even 3 units into each side of the sound channel, respectively responsible for high, low and sound field processing. The sound effect is comparable to that of a premium speaker system. In addition, the Westone earbuds have an incredible 25dB of sound isolation, so you can listen to music in any noisy environment. The volume required is half that of normal headphones. No need to turn up the volume to dangerously high levels to drown out outside noise, minimizing the load on your ears.Westone, a manufacturer of ear molds for music headphones and ear molds for medical devices, offers the UM1 as an entry-level, non-customized, in-ear earbud. The earbuds are designed with a clear plastic casing, and the shape and appearance are not fine, but as a manufacturer with a background in medical devices, the UM1's wearability is still very commendable, and the noise isolation effect is also very good.