open ear designTrue zero-sense wearing experience, earhook design I lightweight design IDT 5.0 directional sound transmission, HIFI pleasant sound quality! Real-time perception of the external environment and all-weather non-inductive wearing experience Why pursue openness? Traditional headphones are uncomfortable to wear, sweat stains into the ears, open earphones, a healthier way to listen, more suitable for sports use Comfortable WearLet the ears breathe deeply without entering the ears, refreshing and transparent, interpreting a more humanized wearing method, so that the earphones automatically adapt to the shape of the pinna, and can be comfortable to wear all day Immersive Sound QualitySurging sound open panoramic surround sound, new surround technology, improved audio decoding algorithm, simulated mirror stereo surround sound field, beyond imagination of hearing sublimation Long battery life75H strong battery life, comfortable listening without anxiety, 500mAh large-capacity carp battery, strong battery life of 60 hours, intelligent digital display is more intuitive, listening to songs, and games are exciting Privacy ProtectionProfessional directional sound transmission protects privacy without sound leakage, upgrades DT 5.0 directional sound transmission black technology, detects the shape of the ear canal, efficiently collects sound waves, directional sound transmission into the ear, and has a natural listening experience