Amazfit Helio Strap

Detailed Specs

Design & Build

• Dimensions: 33.97 × 24.3 × 10.59 mm, weight 20g.
• Fiber‑reinforced polymer body with soft nylon strap.
• Strap width: 22mm, fits wrists 145–205mm.
• Hook & loop fastening for secure fit.
• Water resistance: 5 ATM (50m).
• Screenless design for distraction‑free tracking.

Sensors & Tracking

• BioTracker 6.0 PPG biometric sensor (5 photodiodes + 2 LEDs).
• Tracks heart rate, HRV, SpO2, stress, breathing rate, and skin temperature.
• 24/7 health monitoring with offline heart rate storage (up to 21 days).
• Sleep tracking: stages, naps, breathing quality, apnea estimation.
• Workout tracking: 120+ sports modes, automatic recognition of 25 strength exercises.
• Dedicated HYROX Race Mode for endurance athletes.

Performance & Connectivity

• Bluetooth 5.2 BLE.
• Compatible with Android 7.0+ and iOS 15+.
• Syncs with Strava, TrainingPeaks, adidas Running, komoot, Relive, Google Fit, Apple Health.
• HR broadcasting to smartwatches, gym equipment, and training apps.

Battery

• Capacity: 232mAh.
• Up to 10 days battery life per charge.
• Magnetic charging cable included.

Why Choose the Amazfit Helio Strap

• Accurate biometrics with BioTracker 6.0 for heart rate, HRV, and sleep analysis.
• No subscription fees, unlike WHOOP, with full access via Zepp App.
• Lightweight and discreet design at just 20g, comfortable for 24/7 wear.
• Advanced workout tracking with automatic strength exercise recognition.
• Long battery life of up to 10 days per charge.
• Versatile compatibility with third‑party fitness apps and devices.
• Durable build with 5 ATM water resistance for swimming and workouts.