Haylou RS4 (LS12) Smart Watch

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৳4,490.00 /PC
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৳4,090.00 /PC
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Sold by
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Haylou RS4 (LS12) Smart Watch

  • Haylou RS4

    Smart Watch
    Beauty on Your Wrist

    Haylou RS4 Smart watches

    Exactly What You Want

    12 workout modes

    1.78″ AMOLED HD display

    Alipay offline payment

    10 days battery life

    IP68 waterproof

    SpO2 tracking

    Heart rate monitoring

    Sleep monitoring


    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

    Haylou RS4 Black smart watch

    Haylou RS4 Black and grey smart watches

    Creative Strap Design

    The lightweight metal bezel is designed with a technological aesthetic. And the upgraded silicone strap is skin-friendly and breathable for a long time wearing.
    Exquisite metal bezel
    Gorgeous looking
    48.6g lightweight design
    Slim and pressure-free
    Creative design without a hoop
    Stylish and easy to wear

    New Look Whenever You Want

    The APP watch faces are constantly updated. Customize the watch face with images of your choice or even your picture.

    Haylou RS4 Various watch faces


    Haylou RS4 Smart watch on a hand

    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.
    * Monitoring data and results are for reference only, not for diagnosis.

    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.
    * Monitoring data and results are for reference only, not for diagnosis.

    Haylou RS4 Grey smart watch backside view

    Haylou RS4 on a hand of a sleeping woman

    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.

    Haylou RS4 Breathing training screen


    Haylou RS4 on the hand of a woman with a bicycle

    12 Workout Modes

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



    Fast walking

    Outdoor running
    Go wild and break boundaries


    Indoor running


    Free training
    Go wild and break boundaries





    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.

    The watch knows how far you have gone.

    Every step counts check in with small goals.

    Monitor calories burnt for scientific body management.

    Sedentary reminder
    A timely reminder for a break so you can combine work and rest.

    Haylou RS4 on a hand with a dumbbell


    Haylou RS4 close to payment terminal

    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.
    12 days
    Daily use mode
    20 days
    Basic use mode
    * Daily mode: heart rate monitoring; sleep monitoring; call reminders twice a day; message reminders 8 times a day; wrist-lift 150 times a day; exercise twice a week, run for 60 minutes each time.
    * Basic mode: default watch face; sleep monitoring; turn off phone Bluetooth connection, continuous heart rate monitoring, and other functions.

    Haylou RS4 with charging cable

    Haylou RS4 Message screen

    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.
    * Meet the requirements of IP68 protection level of IEC 60529:2013 standard. It can meet daily waterproof needs and be worn and used during workouts (can be exposed to sweat), rainy days, and handwashing; do not wear for swim, shower, sauna, surfing, and other high-speed water activities. Damage caused by immersing the device in liquid when used in an inapplicable scenario is not covered by the warranty.

    Haylou RS4 on hand under running water

    More Practical Functions

    Haylou RS4 is a small assistant on your wrist.
    More practical functions to make smart life more comfortable.

    Haylou RS4 Time function screen

    Time function
    Alarm, stopwatch, timer.

    Haylou RS4 Weather notification screen

    Weather notification
    Weather forecast for the next 3 days.

    Haylou RS4 Music control screen

    Music control
    Play, pause, skip a track.

    Haylou RS4 Find phone screen

    Find phone
    Ring to find location.


    Haylou RS4 Size

    Product name
    Haylou RS4
    Bluetooth connection
    Bluetooth V5.1
    Main body size
    Heart rate sensor, motion sensor, blood oxygen sensor
    Strap width
    Watch weight
    48.6g (with strap)
    1.78″ AMOLED display
    Battery capacity
    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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