Transtek Fitness Tracker with heart rate monitor (LS431-B3)
0.96'' color TFT screen, continuous heart rate monitor, all-day activity tracker, IP68 waterproof and dustproof
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    Product Name            Transtek Heart Rate Fitness Tracker M5S (LS431-B3)            
    Dimensions            250 × 19.2 ×12.5mm            
    Display            Color Screen V.A: 16 × 8mm            
    Weight            22 g (including the wristband)            
    Housing Material            PC            
    Housing Color            Black            
    Wrist Strap Material            TPU + stainless steel clasp            
    Wrist Strap Color            Black,blue,purple,red            
    Steps            0-120000 steps,division 1 step            
    Calories            0-12000.0kcal,division 0.1kcal            
    Distance            60.0Km            
    Division            1step/0.1Kcal/0.01km;            
    Steps Accuracy            ± 3%            
    Heart Rate Range            35 bpm to 200 bpm            
    Heart Rate Accuracy            Reading error ≤ +/- 5 bpm            
    Exercise Time            0-23 hours and 59 minutes,division 1 minute            
    Battery Grade            1-7 grade,division 1 grade            
    Battery Capacity            80mAH            
    Charging Time            Less than 2 hours            
    Battery Life            

    7 days with continuous heart rate;

    15 days without continuous heart rate            

    Charging Way            Direct USB port            
    Dustproof & Waterproof            IP68            
    Data Storage            7 days            
    Print On Device            At most two colors            
    Operation temperature             -40°-50°            
    Heart rate chip                        
    ECG chip            ×            
    Motor            Vibration remind            
    ligthen & switch screen            Touch screen            
    Touch Sensor Screen            Single point            
    Communication Technology            Bluetooth 4.2 and above            
    Communication Protocol            A5, developed by Transtek            
    Mobile System Supported            iOS 8 & newer,
    Or Android 4.3 & newer
    Mobile Application            To be developed by customer;
    Or use Transtek developed 'Lifesense Health App'
    Essential Features            All-Day Activity Tracking
    Auto Sleep Tracking & Sleep Stages
    Sedentary Reminder
    Goal Achievement Reminder
    Incoming Call, Message & Calendar Alerts
    Direct Charging by USB
    Long Battery Life up to 15 Days
    Standout Features            5rd Generation PowerPulse™ Dynamic Heart Rate, 24 Hours Continuous Monitoring
    0.9'' Color TFT Screen
    Support 11 Exercise Modes
    Exercise Heart Rate Warning
    Medical Grade Band, Thin & Breathable, Comfortable Wearing
    IP68 Waterproof Grade, No Problem for Bathing & Swimming
    Support Offline Quick Payment (Alipay)
    Aerobic Ability Training, Scientific Exercise Guidance

    Personalized Cooper Aerobic Fitness Program

    Seamlessly built-in Cooper Aerobic Fitness Program, Band M5S offers you authoritative VO2max measurements and personal training plan for Aerobic Fitness.


    Our PowerPulse algorithm has excellent interference-free capability, enabling accurate heart rate results. 24/7 Continuous Heart Rate Monitoring is always with you for safe and effective training.


    Use real-time heart rate zones to see whether you’re in the Fat Burn, Cardio or Peak zone and use what you learn to know the impact of your workouts.

    Premium Design

    Featuring a premium design that focuses on comfort, style and everyday elegance, Band M5S features a minimalist style that can stand up to the rigors of everyday life.

    Direct USB Charge

    Direct USB charging from a PC or any charger with a USB port eliminates the need to carry any cables with you.


    Know how long you are in Light, Deep and REM sleep stages, get nightly insights and learn how to get better sleep.


    It is water resistant to 30 meters, automatically tracks your swims and can be worn in the pool or shower.


    Enjoy a battery life of up to 15 days.

    Stay connected on the move with call and text notifications.

  • 1. Why Am I Unable To Connect With The APP?  
    Please making sure the OS of your phone is within the range that the smart watch / bracelet supports.

    2.The Watch / Bracelet Icon Shows That It Has Paired Over Bluetooth, However The APP Cannot Sync Data. How Do I Resolve This? 

    Generally it is caused by the Bluetooth of the phone. Please turn off the APP first, restart the Bluetooth connection and re-pair the two devices.If the above step does not work, please restart your phone and try to pair the devices again. 


    3.What Is The Warranty For Your Products?
    2 years warranty for electronic products.

    4. Do You Offer OEM Service?

    of course. We have been providing OEM services for customers nearly 20 years with qualified products.

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    1. Personal or business information
    2. Provide product request in great detail
    3. Inquiry for MOQ, Unit Price, etc

Heart Rate Fitness Tracker M5S (LS431-B3) Transtek