• 1.43'' large HD screen, with high resolution, easy to view and read the data
• With the waterproof design, whether washing hands or daily use, you don't have to worry about water ingress
• When the watch is connected to a mobile phone via Bluetooth, the watch can make Bluetooth call
• After connecting with your phone via Bluetooth, the watch will send a notice once receiving and getting information notifications
• With built-in 280mAh battery, it can be used for about 7 days when fully charged
• It's undoubtedly your reliable companion for monitoring your heart rate/mood/sleeping status 

Specification:

• Sensors: Heart Rate Sensors, Blood Oxygen Sensors, Acceleration Sensors
• Product Size: 45*45*10.1mm
• Product Weight: 49.5g (Contains the strap)
• Bluetooth Version: Bluetooth 5.3
• Display Screen: 1.43-inch AMOLED Screen with 466*466 Resolution
• Battery Capacity: 280mAh
• Working Time (Heart Rate on AII Day): 7-Days
• System Requirements: Android 6.0 and Above; iOS 11.0 and Above
• Waterproof Grade: IP68
• APP Name: Haylou Fun
• Sport Modes: 105 Sports Mode (Running, Cycling, Yoga and so on)
• Features: Bluetooth Call, Heart Rate Monitoring, Blood Oxygen Detection, Emotion Detection, Stress Detection, Sleep Detection
• Languages: Simplified Chinese, English, Portuguese, Russian, Polish, Spanish, Italian, Belarusian, Vietnamese, Ukrainian, French, German, Turkish