

[Origins · Youyin]
The term "Youyin" originates from Tang Dynasty poet Liu Xiyi's Hearing the Mountain's Voice:
"Now reclining on lofty peaks, what bliss to receive these 'Youyin'."
In the poem, "Youyin" denotes ethereal melodies - like mountain streams murmuring or winds whispering through woods - sounds that pierce through clamor to touch the soul.
This imagery embodies our brand ethos: drawing inspiration from nature's symphony, we harness technology to deliver pristine acoustics, enabling users to feel earth's rhythms in motion while preserving inner stillness amidst chaos.

[Metamorphosis · Where Technology Meets Poetic Soul]
Youyin was born from reimagining traditional headphones' limitations. Where Beethoven once bit a rod to hear melodies through bone conduction, Youyin now crafts titanium-framed soundwaves into wings, transforming millennia-old poetry into modern technology.
With dual-wave fusion technology and foldable earhook patents, Youyin solves bone conduction's historic trilemma - thin acoustics, sound leakage, and ambient noise interference - delivering crystal tones like the "ethereal whispers" of classical verse, heard fully yet shared discreetly.
[Guardian · Born for Every Ear]

"Athlete's Aero Wings"
Open-Ear Freedom Series
Mountaineers tread through snow seeking summits, runners weave through urban streets, cyclists speed against the wind—Youyin combines a 28° foldable design with aerospace-grade titanium alloy framework and skin-friendly materials, contouring to the skull for weightless endurance. IP68 waterproof/dustproof rating accompanies swimmers through azure waves and trail runners across muddy tracks.
The open-ear design lets users enjoy music while maintaining environmental awareness, preventing hazards before they occur; with built-in 8-32GB storage, it liberates users from smartphone dependency.

FreeWing® 1
Open-Ear Sports Series
Mountaineers tread through snow seeking summits, runners weave through urban streets, cyclists speed against the wind—Youyin combines a 28° foldable design with aerospace-grade titanium alloy framework and skin-friendly materials, contouring to the skull for weightless endurance. IP68 waterproof/dustproof rating accompanies swimmers through azure waves and trail runners across muddy tracks.
The open-ear design lets users enjoy music while maintaining environmental awareness, preventing hazards before they occur; with built-in 8-32GB storage, it liberates users from smartphone dependency.

Mountaineers tread through snow seeking summits, runners weave through urban streets, cyclists speed against the wind—Youyin combines a 28° foldable design with aerospace-grade titanium alloy framework and skin-friendly materials, contouring to the skull for weightless endurance. IP68 waterproof/dustproof rating accompanies swimmers through azure waves and trail runners across muddy tracks.
The open-ear design lets users enjoy music while maintaining environmental awareness, preventing hazards before they occur; with built-in 8-32GB storage, it liberates users from smartphone dependency.

[Heritage · Sound Carries the Tao]
The design of Youyin is technology's homage to poetry: its earphone curves mimic calligraphic strokes, with color schemes drawn from "distant mountain haze" (inspired by the verse "blue mists vanish when approached") and "moonlit porcelain white" (from "moonlight bathes floral woods").
Each unit is engraved with an excerpt from Hearing the Mountain's Voice, reminding users: true listening transcends mere sound - it's the resonance between heart and nature.

[Epilogue · All Things Resonate]
"Youyin" carries a dialogue spanning from the Tang Dynasty's golden age to the future.
More than earphones, it embodies a life philosophy — to listen deliberately while moving fast, to preserve inner peace amidst chaos. As the ancient verse goes: "Hearing birds' ethereal songs, as springs burst from stone beds."
Youyin aspires to be the everlasting pure melody by your ears, helping you perceive life's most authentic sounds in every present moment.