Anker Soundcore Aerofit 2 Open Ear Earbuds.

【Open-Ear Comfort, Stay Aware】AeroFit 2 features a soft, non-invasive, double-curved design that rests gently on your ears for all-day comfort. Stay attuned to your surroundings while enjoying your favorite music, ideal for commuting, workouts, or workdays. 【Adaptive 4-Level Fit】soundcore’s innovative 4-level adjustable ear hooks provide a personalized fit tailored to over 99% of ear shapes and sizes. Designed for secure comfort, they stay in place through every movement, from casual walks to intense training. 【Rich, Hi-Res Sound】Experience powerful audio with 20mm × 11.5mm racetrack drivers and BassTurbo acoustics, delivering deep bass, clear mids, and detailed highs. Enjoy full-bodied, wireless Hi-Res audio with LDAC technology for studio-quality listening on the go.