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Your training starts here. The Helio Core, powered by the BioTracker™ sensor, turns the Helio Strap into a pro-level performance tracker with real-time accuracy you can count on — no subscription required.
BioTracker™ technology for 24/7...
Reviews
4.8
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It's an amazing device, I've been using it all day for 8 days now, I train 3 times a day so I found it perfect.
R
REGINA · May 20, 2026
Very accurate and useful to help track your fitness journey
