Amazfit Helio Core Modular Fitness Tracker with BioTracker sensor, up to 10-day battery and 24/7 heart rate monitoring. It delivers accurate sleep and stress insights through the Zepp App without any subscription. The lightweight waterproof unit fits easily on armbands or straps for flexible use.
About Amazfit Helio Core
The Amazfit Helio Core gives athletes a smart way to track their body without distractions. This small module sits comfortably on your arm or in a strap and watches over your heart rate every second. You get clear details on sleep quality and stress so you know exactly when to push harder or rest more. The free app turns all this data into simple tips that help improve your training results over time.
Its strong battery keeps working for up to ten days between charges which means less worry about running out of power during busy weeks. The BioTracker sensor works with special technology to deliver accurate readings even in tough conditions. Fiber reinforced material holds up well against sweat and movement so the core stays reliable workout after workout. Bluetooth sends everything smoothly to your phone for quick reviews.
You can move the core between different bands or use it with an arm sleeve for the best fit during sports. No screen keeps your focus on the activity instead of notifications. Three bright color options let you match the module to your style while the 5 ATM water resistance handles rain or pool sessions without issue. Internal storage holds your data safely until you sync it.
Specifications
| Parameter | Value |
|---|---|
| Body material | Fiber-reinforced polymer |
| Water resistance | 5 ATM |
| Battery capacity | 232 mAh |
| Battery life | Up to 10 days |
| Sensor | BioTracker 6.0 PPG |
| Heart rate monitoring | Yes |
| Sleep tracking | Yes |
| Stress monitoring | Yes |
| Recovery tracking | Yes |
| Connectivity | Bluetooth |
| App support | Zepp App |
| Colors available | FireCore, SpiritCore, NeonCore |
| Warranty | 2 years |
| Delivery | 7-14 days |
| Price | $70 |
Reviews
I love how this tracker stays on my arm during runs without slipping. The heart rate data matches my chest strap almost perfectly and the battery really lasts the full ten days. Sleep insights helped me adjust my rest and I feel stronger now.
Great for gym sessions since I can clip it anywhere. Stress tracking is useful before big meetings and the app shows clear recovery scores. It syncs fast but I wish the colors were a bit more subtle for daily wear.
Wearing it on the upper arm cut down motion errors during weights. Ten day battery is a game changer compared to other devices I tried. Recovery info feels trustworthy and helps plan better training weeks.
