Neckband & true wireless 2-in-1 design, free switch between two wearing styles. Dual-neodymium magnet circles, strong magnetic force, no worries about earphones falling off. Smart cyclic fast charging technology, ultra-long 20h playback time. In-ear detection play/pause technology, make listening easier. Smart LED digital display, monitoring power in real time. Half in-ear tips, comfortable fit. Built-in 13mm large speaker, unparalleled listening experience. Lightweight design for all-day comfort. Soft & flexible cable, easy to store.