Amazfit Helio Strap
Quick details
Released
June 2025
Dimensions
33.97 x 24.3 x 10.59 mm
Operating system
Proprietary
Display None None
Battery life Up to 10 days
Water resistance 5 ATM
GPS No
Sensors Accelerometer, Gyroscope, Optical heart rate, SpO2, Temperature
Technical specifications
General
Release date 2025-06
Product type Screenless fitness tracker
Physical size 33.97 x 24.3 x 10.59 mm
Weight 20 g
Material Fiber-reinforced polymer tracker; nylon hook-and-loop strap
Water resistance 5 ATM
Color options Black
Display type None
Display size None
Display resolution None
Battery Built-in rechargeable battery; 232 mAh
Battery life Up to 10 days
Charging Magnetic charging head
Sensors
GNSS type None
GPS No
GALILEO No
GLONASS No
QZSS No
Beidou No
Accelerometer Yes
Gyroscope Yes
Barometric altimeter No
Compass No
Geomagnetic No
Ambient light sensor No
Optical heart rate Yes
Electrical heart rate No
SpO2 Yes
Temperature Yes
Galvanic skin response No
Microphone No
Speakers No
Vibration motor Yes
Health & activity tracking
Steps Yes
Distance Yes
Calories burned Yes
Floors No
Sports tracking 57 sports modes
Sleep Yes
Heart rate Yes
HRV Yes
Stress Yes
Blood oxygen Yes
Respiration rate Yes
Skin temperature No
ECG No
Blood pressure No
Body composition No
Glucose No
Hydration level No
UV exposure No
Calorie intake No
Hyperglycemia risk assessment No
Arterial stiffness detection No
Pulse wave arrhythmia analysis No
Daily smart features
Smartphone compatibility Android 7.0+ and iOS 15.0+
Operating system at launch Proprietary
Bluetooth Yes (5.2 BLE)
Wi-Fi No
NFC / connected pay No
UWB No
Cellular No
Smartphone notifications No
Bluetooth calling No
Smartphone music control No
On-board music storage No
Voice assistant No
Links
These technical specs are correct to the best of our knowledge at the time of publishing.
