[Pre-Order] Amazfit Helio Core รอสินค้า 20 วันค่ะ (Purple) The Helio Core only , no strap , no charger

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 monitoring of real-time heart rate, sleep, stress, and more Up to 10 days of battery life Free Zepp App for tracking nutrition, sleep, stress and fitness progress Note: The Helio Core accessory includes only the core itself, and does not include the middle frame, charging base, strap or arm bands.