Wearables
Amazfit Helio Strap
Amazfit
Screenless strap from Amazfit for continuous heart-rate, sleep and recovery tracking in the Zepp app, worn on the wrist or upper arm, with live heart-rate broadcast to other devices; Amazfit quotes up to 10 days of battery, 5 ATM water resistance and a 20 g weight. No subscription required. Price: $99.99, checked Oct 4, 2026. US availability: listed on Amazfit's US store but shown as Sold Out on Oct 4, 2026. Directory: Wearables & Tracking > Wristbands & watches.
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