Haylou RS4 Max Calling Smart Watch

1.91″ HD Display

2.5D curved display features rich colours, clear display and stunning vision.

Metal bezel & Touch Control

The integrated metal body perfectly combines traditional craftsmanship with modernist simple design, making it more delicate and durable.

Bluetooth Call

The watch supports one-tap dialing / receiving calls. Never miss any important call. Enjoy free communication even when you are driving.

127 Sports Modes

The distance, speed, heart rate, calorie and other data during exercise can be recorded in real time by HAYLOU RS4 Max. The number of sports modes has been added to 127, and sports types are classified to develop body functions in multiple dimensions and unlock more potentials.

Comprehensive Health Management

Monitor heart rate, stress, and sleep status around the clock, detect blood oxygen saturation at any time, support women’s menstrual cycle records, give early warning of physical diseases, and help you carry out more scientific and effective health management.

Scientific Sleep Monitoring

Scientifically quantify, record and analyze sleep status (deep sleep, light sleep, awake, REM, sporadic naps) to help develop high-quality sleep habits.

Long Battery Life & IP68 Dustproof and Waterproof

In daily usage mode, the battery life can reach up to 9 days, and the standby time can reach up to 25 days ; IP68 waterproof rating can easily meet daily life needs such as hand washing, rain, and splashing.

Creative Magnetic Strap

Equipped with two Straps

magnetic strap & silicone strap. Skin-friendly silicone material, stylish, comfortable and portable.

Raise to Wake

Automatically wake up the screen every time you raise your wrist

Message Notification

Receive SMS, calls and social software information. Never miss any message

Idle Alert

Remind you to combine work and rest in time when you work and study for a long time

Remote Shutter

Connect to mobile phone APP for remote shutter