Helio Strap

The Helio Strap is built for those who train hard and recover smarter. Designed for precision, endurance, and everyday versatility, it delivers industry leading accuracy, extended battery life, and a lightweight, comfortable fit that moves with you. 

Worn day and night, it captures continuous heart rate every second providing deep health insights without the hassle of subscriptions.

More than just a fitness tracker, the Helio Strap is a vital part of your Amazfit ecosystem. Seamlessly integrating with Amazfit smartwatches, the Helio Ring, and the Zepp App, it powers a complete training system designed to help you train with purpose, recover effectively, and repeat with confidence.

• BioCharge™ energy monitoring to support recovery and peak performance
• 24/7 Health Monitoring; per second heart rate, sleep, stress, and more
• 27 workout modes including smart strength training and official HYROX Race mode
• Free Zepp App for tracking nutrition, sleep, stress and fitness progress
• Up to 10 days of battery life

Design

• Colors: Black, White/Gray
• Dimensions (without sensor): 33.97 x 24.3 x 10.59mm
• Weight: 20g
• Body Material: Fiber-reinforced polymer
• Water-resistance Grade⁵: 5 ATM
• Motor: Rotor motor
• Strap:
  Materials: Nylon
  Width: 22mm
  Min. & Max. Wrist Dimensions: 145-205mm
  Buckle: Hook & loop fastening
  

Battery

• Battery Capacity: 232 mAh (rated value)
• Typical Use Battery Life: Up to 10 days
  

Sensors

• Health: BioTracker™ 6.0 PPG biometric sensor (5PD + 2LED)
• Movement: Acceleration, Gyroscope,Temperature
• Connection: Bluetooth 5.2, BLE
  

• Packing List:
  Smart band & strap (assembled)
  Magnetic charging head (no cable)
  Instruction manual
• Packaging Materials: Made with 100% recyclable materials⁶
• Supported Devices: Android 7.0 and above, iOS 15.0 and above
• Application: Zepp App

Sports Features

• Sports Modes: 27
• Smart Recognition of: 25 strength training movements⁷
• Workout Status: PeakBeats™ 
• Sync to 3rd Party Fitness Apps: Strava, adidas Running, TrainingPeaks (via Terra), komoot, Relive, Google Fit, Apple Health

Health Features

• Energy Levels: BioCharge™
• 24/7 Health Monitoring: Continuous heart rate per second, Blood-oxygen saturation, Stress level
• Sleep Quality Monitoring: Sleep heart rate variability, Sleep stages (including REM), Daytime naps, Sleep schedule, Sleep breathing quality, Sleep score
• Other Health Features: PAI health assessment system, Heart rate recovery

27 Sports Modes

• Running & walking:
  Outdoor running, Treadmill, Walking
  
• Cycling:
  Outdoor cycling, Indoor cycling

• HYROX: HYROX race
  
  
• Indoor workouts:
  Strength training, Elliptical, Stair-climbing machine, Stair stepper, Spinning, Mixed aerobics, Cross-training, Aerobics, Group calisthenics, Body combat, Step training, Flexibility training, Free training, HIIT, Yoga, Pilates, Gymnastics, Horizontal bar, Parallel bars, Battling ropes, Stretching