Fitness Tracker
Transtek heart rate and SpO2 Activity Tracker LS439-B(Alice)
Light and thin activity tracker with heart rate, SpO2, sleep management, multiple sport modes and fashionable design.

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    Product ModelActivity Tracker LS439-B (Alice)

    245 × 19.5 × 11 mm (including the wristband)

    Display         1.09 inch AMOLED colorful display
    Weight21g (including the wristband) 
    Housing Material      PC
    Housing ColorBlack
    Wrist Strap Material  Silica gel/canvas(to be developed)
    Wrist Strap Color   Black, blue, purple( blue for canvas)
    Steps  0-99,999 steps,division 1 step
    Calories  0-99,999kcal,division 1kcal
    Distance0-999.9km, division 0.01km 
    Steps Accuracy± 3%      
    Heart Rate Range40bpm to 220bpm, division 1bpm 
    Heart Rate AccuracyAccuracy +/- 5 bpm  
    Exercise Time0-1440 minutes,division 1 minute
    Battery Grade  6 grades, division 1%
    Battery Capacity 5V, 130mAh
    Charging TimeAbout 2.5 hours 
    Battery Life     

    1. Light mode: 18 days( turn off continuous heart rate, sleep SpO2 etc)

    2. Medium mode: 10 days( continuous heart rate at 5 min frequency, sleep SpO2 at 5 min frequency etc)

    3. Heavy mode: 5 days ( continuous heart rate at 1s frequency, sleep SpO2 at 1s frequency etc

    Charging Way By compatible charging port  
    Dustproof & Waterproof   5ATM
    Data Storage 7 days   
    Print On DeviceAt most two colors
    Operation Temperature -40°-50°  
    Heart Rate Chip√   
    ECG Chip  × 
    MotorVibration remind  
    Ligthen & Switch ScreenTouch screen   
    Touch Sensor ScreenFull screen
    Communication TechnologyBluetooth 5.0   
    Communication ProtocolTranstek developed protocol
    Mobile System Supported

    iOS 10 & newer version

    Android 6.0 and newer version

    Mobile Application  To be developed by Customer or use Transtek developed "Lifesense" App

    Essential Features:

    1. Health features: sleep management, heart rate, SpO2, pressure measurement, respiratory training, female health, pedometer, calorie, sedentary reminder, abnormal heart rate reminder, respiratory disturbance reminder

    2. Sports feature: 10 sports mode such as running, swimming, yoga etc

    3. Communication feature: incoming calls and message reminder

    4. Lifestyle feature: music control, night light, alarm, weather, stopwatch, phone location

    5. App-connected feature: meditation, sleep plan, smart wake up, health target

    Standout Features:

    1. BLE 5.0 connection

    2. Light and thin design with skin friendly wristband

    3. Multiple fashionable plate in the apps

  • 1. Why Am I Unable To Connect With The APP?  

    Please make sure the OS of your phone is within the range that the smart watch / bracelet supports.

    2. Is There Cheap Shipping Cost To Import To Our Country?
    For small order, express will be faster but the shipping cost will be expensive, post air mail will be cheaper but it will take about 1-2 month of shipping time.And for bulk order, sea shipping way is best but take more time. For urgent orders, we suggest delivery by air.

  • Please make sure your contact information is correct. Your message will be sent directly to the recipient(s) and will not be publicly displayed. We will never distribute or sell your personal information to third parties without your express permission.

    Tips on getting accurate quotes from suppliers. Please include the following in your inquiry:
    1. Personal or business information
    2. Provide product request in great detail
    3. Inquiry for MOQ, Unit Price, etc

Transtek Activity Tracker LS439-B (Alice)