Amazfit W2321TY1N Helio Smart Ring (W2321TY1N)

Type: Smart ring activity tracker
Size: 10
Color: Titanium
Body Material: Outer ring_ Titanium alloy; Inner ring_ Resin
Water Resistance: 10 ATM
Sensors:
BioTracker™ PPG heart rate sensor (1 dual-color LED + 2PD)
Temperature sensor
EDA sensor
3-Axis Acceleration Sensor
3-Axis Gyroscope
Connectivity: Bluetooth Low Energy (BLE)
Battery:
Capacity: 18.5 mAh
Type: Rechargeable
Charging Method: Wireless charging
Charging Time: Approximately 1 hour and 40 minutes
Battery Life: Up to 4 days
Compatibility: Android 7.0 and above; iOS 14.0 and above
App Support: Zepp App
Features:
In-depth sleep monitoring
Mental & physical readiness analysis
Heart rate, SpO₂, and stress tracking
EDA stress response monitoring
Sports data tracking
Race prediction achievements
Sync data to fitness apps (adidas Running, Strava, komoot, Relive, Google Fit, Apple Health)