Ostrey Aero Active Tracker Ring
$149.99
Ultra-lightweight titanium smart ring that tracks sleep stages, heart rate variability, and daily activity metrics. Fully waterproof down to 50 meters with up to 7 days of power per charge.
$149.99
Ultra-lightweight titanium smart ring that tracks sleep stages, heart rate variability, and daily activity metrics. Fully waterproof down to 50 meters with up to 7 days of power per charge.