True Wearless Comfort Noninear ergonomic design replaces the stethoscope wearing method for greater comfort. Made of elastic skinfriendly material with adjustable stretch; suitable for various ear shapes. Each earbud weighs about 5 g; lightweight and comfortable for extended use. Pulse DT3.0 Directional Sound Transmission Adaptive directional sound transmission detects the shape of the ear canal and automatically adjusts the propagation angle of the integrated sound beam + 25° to deliver sound effectively into the ear canal. BT 5.3 Upgraded BT V5.3 chip reduces power consumption, improves transmission efficiency, and lowers loss, delivering better connection stability and smoother audio. Panoramic 3D sound 14mmtitanium composite diaphragm provides a balanced fullfrequency auditory experience with surging bass, transparent treble, and delicate vocals. Use scenarios Daily commuting or travel: wearless comfort for long listening sessions with a stable wireless connection. Office work or study: comfortable allday use with clear, balanced sound for music and media. Home workouts or leisure: light weight and strong bass response for motivation and enjoyment.