* Clip-ear design: Unique clip-ear design with U-shaped curved arm clips on the ear, which is not picky and does not affect the hair style, and does not interfere with wearing glasses and hats; Small and light in size, will not feel bulky, long time wearing also not easy to produce discomfort * Sound-absorbing inner cavity blocking design: Adopting sound-absorbing inner cavity blocking design, together with the third generation Sanag-Acavity acoustic cavity and dual-unit composite diaphragm for high and low frequencies, it provides an open sound field and balanced three-frequency performance, and is also equipped with digital sound enhancement technology to restore natural listening sensation * Dual microphone array beamforming and CVC call noise reduction technology: Support dual microphone array beamforming and CVC call noise reduction technology, which can accurately pick up voice and filter out noise interference during calls, ensuring clear calls even in noisy environments * Open design: the cavity does not enter the ear, do not close the ear canal, keep both ears open, you can always receive outside sound information when using headphones; At the same time, the sound outlet is close to the ear hole to achieve accurate sound transmission