Amazfit Helio Strap Black

Amazfit Helio Strap is a lightweight screen-free fitness tracker designed for continuous monitoring of workouts, recovery, and overall health without requiring a subscription.

• Compact design weighing 20 g with dimensions of 33.97 × 24.3 × 10.59 mm.
• Can be worn on the wrist or upper arm, helping to reduce motion interference during workouts.
• BioTracker™ 6.0 PPG sensor for continuous heart rate and health monitoring.
• 24/7 heart rate tracking every second.
• Supports monitoring of SpO₂, stress levels, sleep, sleep HRV, sleep stages, naps, and sleep quality assessment.
• BioCharge™ technology helps evaluate energy levels, recovery, the impact of workouts, stress, and daily activity.
• Supports more than 50 sports modes.
• Real-time heart rate broadcasting via Bluetooth to compatible Amazfit watches, cycling computers, fitness equipment, and supported applications.
• Offline heart rate data storage for up to 21 days.
• 5 ATM water resistance — suitable for sweat, showers, and pool swimming, but not intended for diving or high-pressure water sports.
• Battery life of up to 10 days under typical usage.
• Compatible with Android 7.0 or later and iOS 15.0 or later.
• Reinforced polymer case with a 22 mm nylon strap.

Comparison with WHOOP and Google Fitbit Air

The Amazfit Helio Strap follows the same concept as WHOOP and Google Fitbit Air: a screen-free wearable focused on tracking health, workouts, and recovery. Its main advantage is that it does not require a mandatory subscription, while also integrating seamlessly with the Amazfit ecosystem and allowing heart rate broadcasting to compatible devices and applications.

WHOOP places a stronger emphasis on advanced recovery analytics and longer battery life, but its platform is built around a mandatory membership subscription. Google Fitbit Air is also a compact screen-free tracker focused on 24/7 health, sleep, and activity monitoring, while the Amazfit Helio Strap offers up to 10 days of battery life and provides broader capabilities for sports training and heart rate broadcasting.