1.2'' AMOLED HD display
Support 14 workout modes
Support all-day heart rate and blood oxygen monitoring
SONY GPS, accurate positioning of movement trajectory
5ATM waterproof
21 days of battery life

Health Expert
Explore Real Me
AMOLED HD display / GPS satellite positioning / SpO2 tracking / Heart rate monitoring / 21 days battery life

Bauhaus Style Design
Haylou RS3 adopts AMOLED display and aluminum alloy frame with simple and elegant Bauhaus design, perfectly combining aesthetics and technology.

Customized Watch Face
Support customized watch face function. Watch faces are updated continuously to satisfy your ever-changing style.

SpO2 Tracking
Blood oxygen saturation (SpO2) is an important physiological parameter of the respiratory cycle of the human body. Check in with your body anytime.

24-hour Health Monitoring
Keep track of your physical condition 24 hours with upgraded optical heart rate sensor and smart health algorithm.

Precise Sony GPS
Sony low-power GPS module can accurately locate movement track, and the GPS can work continuously for 21 hours.

14 Workout Modes
Haylou RS3 features 14 workout modes and provides professional exercise reports like a personal trainer, making for more efficient exercise.

Outdoor exercise
Jogging, Fast walking, Biking, Climbing: Average pace/exercise heart rate/exercise track/calories burnt

Indoor exercise
Spinning, yoga, treadmill, free training, gymnastics, basketball, football, rowing: Exercise time/exercise heart rate/calories burnt

50-meter Water Resistance
Haylou RS3 is rated waterproof to 5 ATM with metal frame and integral moulding back shell design.

Body size
50.5 x 43.4 x 12.5mm

Strap width
22mm

Watch weight
46g with strap

Display screen
1.2" AMOLED display

Resolution
390x390

Bluetooth version
Bluetooth V5.0

Sensor
Low-power dynamic optical heart rate sensor, acceleration sensor, Sony GPS

Battery capacity
230mAh

Battery life
About 12 days (24 hours heart rate monitoring)

System requirement
Android 6.0 and above; iOS 11.0 and above (supported functions will vary from different watches, mobile phones, and countries)

Waterproof grade
5 ATM

Working temperature
0°C~45°C

Synchronous data platform
Haylou Fun

Sport modes
Jogging, Fast walking, Biking, Climbing, Spinning, Yoga, Indoor running, Integrated training, Gymnastics, Basketball, Football, Rowing, Open water swimming, Swimming pool.