Big screen smartwatch fitness and activity tracking

Name of product:Haylou smart watch
Model of product:Haylou-LS02
Body size:48mm*36mm*11.5mm(L*W*H)
Body weight:38g
Display:1.4 inch TFT screen
Resolution:240*240
Bluetooth version:Bluetooth 5.0
Sensor:Ultra-low dynamic optical heart rate sensor/Accelerometer
Battery capacity:260mAh
Compatible system:For Android 4.4 or IOS8.0 and above(supported features may vary by watch,phone and country)
Battery life:20 days
Dustproof and water proof rate:IP68
Working temperature:-20℃-45℃
App name:Haylou
Sport modes:Jogging,fast walking,biking,climbing,spinning,yoga,indoor running,integrated training,gymnastics/basketball,football,rowing