Xiaomi Haylou LS12 Smart Watch Black


Bluetooth connection: Bluetooth V5.1
Main body size: 45.2*37.2*11.1mm
Sensors: Heart rate sensor, motion sensor, blood oxygen sensor
Strap width: 20mm
Watch weight: 48.6g (with strap)
Display: 1.78″” AMOLED display
Resolution: 368×448
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 with different watches, mobile phones, and countries

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Compact Body/HD Large Display Haylou RS4 is specially made for sports. Easily check information with the 1.78″” large touch control display.

368*448 resolution Ultra-high resolution and faster response speed

Large-size screen Clear and stunning

AMOLED HD display Delicate and fine-textured


Blood Oxygen Testing Sleepiness and fatigue after high-intensity exercise or work is a sign of insufficient oxygen in the body. Raise your wrist to test your blood oxygen level and keep your health under control.

Heart Rate Monitoring Haylou RS4 can accurately detect your heart rate 24 hours a day and detect even slight change, welly knowing your every heartbeat.

Sleep Monitoring The percentage of deep sleep is an important criterion of sleep quality. Haylou RS4 actively monitors sleep time and status to help you develop good sleep habits.

Breathing Training Perform guided breathing exercises at a set rhythm to alleviate stress anytime and anywhere, easily restoring vitality.


12 Workout Modes Haylou RS4 has 12 workout modes. It can record real-time exercise data, helping you track and improve your athletic performance.

Active Tracking of Activities With a built-in high-precision motion sensor, Haylou RS4 can actively record your daily exercise behavior. Set your goals and strive to realize them.


Alipay Offline Payment The watch supports Alipay offline payment. Forget to take your phone and wallet? Swipe left on the homepage to enter the scanning code page, raise your wrist to make the payment.

10 Days Battery Life Battery life can last up to 10 days in daily use mode, and it can be used for about 25 days in basic use mode, saving the trouble of daily charging.

Real-time Message Reminder Connect to mobile phone via Bluetooth. Calls, WeChat, and various APP information can be synchronized with the watch in real-time so that you don’t miss every important moment.

IP68 Waterproof The Haylou RS4 watch is IP68 waterproof. There is no need to take off the watch when washing your hands, and you can easily cope with sweating during workouts or stormy rains when you are out.

Weight 0.1 kg


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Xiaomi Haylou LS12 Smart Watch Black

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