Polar
Polar Loop (2025)
Daily activity, sleep and recovery trends
Up to 8 days
$199.99 USD≈ €178 EURECB 2026-10-09US · Store price · In stock
Amazfit
Amazfit Helio Strap
ReleasedA screen-free strap for continuous optical heart rate, sleep and recovery, with live heart-rate broadcast and no required subscription.
$99.99 USD≈ €89 EURECB 2026-10-09US · Store price · In stock
PRICES & AVAILABILITY
Prices & availability
$99.99 USD≈ €89 EURECB 2026-10-09 US · Store price
In stockAmazfit US
Amazfit Helio Strap retail package
Official product feed confirms variant; final delivery and tax depend on checkout.Check merchant offer ↗Price source ↗ Checked 2026-10-12Official product listing checked. Destination delivery, taxes and checkout stock depend on the regional store.
Lithuania: Delivery and local support not verified. Prices are snapshots, not a live stock feed. Taxes, shipping, prescription lenses and accessories can change the total.
Specifications
- Designed for
- Workout, sleep and recovery trends ↗
- Form factor
- Wrist or upper-arm strap ↗
- Display
- No screen ↗
- Sensors
- BioTracker 6.0 PPG; accelerometer; gyroscope; temperature ↗
- Battery / power
- Up to 10 days ↗
- Battery context
- Manufacturer typical-use estimate ↗
- Connection & compatibility
- Bluetooth 5.2 BLE; Zepp app on iPhone/Android ↗
- Weight
- 20 g ↗
- Water / dust rating
- 5 ATM ↗
- Subscription
- No required subscription ↗
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