JCVital Pro V8 Replacement Band

$48.00 USD
$48.00 USD
Color: Black replacement band
JCVital Pro V8 Replacement Band

JCVital Pro V8 Replacement Band

$48.00

JCVital Pro V8 Replacement Band

$48.00
Color: Black replacement band
    JCVital Pro V8 · AI Sleep & Recovery Smart Band

    Your Body Is Talking.
    Are You Finally Listening?

    An AI health coach for your wrist — Biological Age, Recovery, Sleep Coaching, and ECG heart health, without a single subscription fee.

    15+ Day Battery No Subscription Required ECG Heart Health IP68 Water Resistant
    JCVital Pro V8 AI smart band with ECG worn on wrist
    JCVital app showing daily AI health insight
    AI Smart Health & Performance Band

    Your Body Says More Than You Think

    You generate health data every single day. What actually matters is simpler: How well did you recover? Is today a training day or a rest day? Is stress building up? Is your metabolism on track — and is your body aging faster or slower than the calendar says? Is your biological age moving younger — or older?

    JCVital Pro V8 turns that raw data into a daily action plan — not just another number on a screen.

    Your Body Is Always Signaling

    Most People Just Aren't Listening

    You might recognize a few of these:

    Training consistently, but not progressing
    Sleeping for hours, still exhausted
    Fat loss has stalled
    Stress keeps rising and you don't know why

    JCVital Pro V8 translates your body's signals into action you can actually take.

    Core System
    VitalAge™ Biological Age Recovery™ Score Strain™ Load Management Training & Performance™ Sleep Coach™ Metabolism™ Tracking Mood™ Tracking BGEM™ Risk Assessment AI Coach™ ECG Heart Monitoring Blood Pressure Trends
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    How It Works

    From Wear to Insight in Four Steps

    ⌚ Wear It All Day

    Light enough to forget during sleep, workouts, and work.

    📊 Sensors Collect

    HRV, SpO2, skin temp & ECG captured around the clock.

    🧠 AI Analyzes

    Turns raw signals into Recovery, Strain, Sleep & VitalAge scores.

    📋 Daily Plan

    Clear recommendation: push hard, train moderate, or rest.

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    JCVital app VitalAge biological age score screen
    VitalAge™

    Your Biological Age Isn't Always Your Real Age

    Some 30-year-olds have the recovery capacity of a 25-year-old. Others are aging faster than the calendar suggests.


    JCVital Pro V8 combines HRV, resting heart rate, sleep quality, recovery patterns, activity habits, and stress levels into a single, personal VitalAge™ score — so progress becomes something you can actually see, workout by workout, night by night.

    JCVital app Recovery score screen
    Recovery™

    Is Today a Day to Push -or to Rest?

    Real training science isn't about going hard every day. It's about knowing when to sprint and when to recover.

    Every morning, JCVital Pro V8 analyzes overnight HRV, resting heart rate, sleep quality, stress, and skin temperature trends to generate your personal Recovery Score.

    Green — Ready

    Your body is primed for high-intensity training.

    Yellow — Maintain

    Train moderately and keep fatigue from building up.

    Red — Recover

    Prioritize sleep and rest before your next hard session.

    JCVital app Strain load management graph
    Strain™

    More Training Isn't Better Training

    Undertrain, and you don't progress. Overtrain, and you get hurt.

    JCVital Pro V8 tracks all day:

    • Heart rate variation
    • Activity intensity
    • Active time
    • Calories burned
    • Body load

    ...and generates your Strain™ Index, helping you find the optimal balance between training and recovery, and steer clear of overtraining, chronic fatigue, and declining performance.

    Training & Performance™ New

    Your Training Isn't About How Much You Moved

    It's About How Much You Improved

    Most Ineffective Training Comes Down to a Few Familiar Problems

    • The more you run, the more exhausted you feel
    • No visible progress despite consistent workouts
    • Fat loss has stalled
    • You're not sure if your intensity is even right

    JCVital Pro V8 Analyzes

    • Heart rate training zones (HR Zones)
    • Training intensity trends
    • Training efficiency
    • Calorie expenditure
    • The relationship between load and recovery

    AI Automatically Optimizes Your Training

    ✔ Whether today is right for a run

    ✔ Whether it's time for strength training

    ✔ Whether you're entering a fatigue state

    ✔ How to adjust training intensity

    It's Not About Training More.
    It's About Training Smarter.

    JCVital app Sleep Coach stage analysis screen
    Sleep Coach™

    Sleep Is the Most Powerful Recovery Tool You Have

    Not sleeping longer. Sleeping better. Most people track how long they slept. Few track how well.

    JCVital Pro V8 continuously analyzes deep sleep, light sleep, REM, awakenings, and sleep efficiency - then calculates your sleep debt, sleep recovery index, and overall sleep score. Each morning, your AI Sleep Coach tells you exactly how much sleep you need tonight for optimal recovery. It's not about sleeping longer. It's about recovering better.

    JCVital app Metabolism energy tracking screen
    Metabolism™

    Managing Energy Matters More Than Managing Weight

    JCVital Pro V8 analyzes:

    • Activity expenditure
    • Calorie burn
    • Heart rate variation
    • Sleep recovery
    • Stress levels

    ...to help you understand your metabolic efficiency, fat-loss trend, energy expenditure pattern, and long-term metabolic health.

    JCVital app Mood trend analysis screen
    Mood™

    Mood Is Feedback From Your Body's State

    Anxiety, fatigue, stress, and poor focus are often not just "in your head" — they're signals from your body.

    Using HRV, sleep, recovery, and activity data, JCVital Pro V8's AI identifies your mood trend over time, helping explain why today feels harder, why stress has been building, or why energy has been slipping. Mood is a vital sign too.

    ECG Heart Health

    Heart Monitoring That Watches Out For You

    On-demand ECG readings help you keep an eye on your heart rhythm, alongside continuous heart rate tracking throughout the day.

    Sinus Rhythm

    Normal heart rhythm reference readings.

    High Heart Rate

    Alerts when heart rate rises above baseline.

    Low Heart Rate

    Alerts when heart rate drops below baseline.

    AFib Indicators

    Flags irregular rhythm patterns worth a closer look.

    JCVital Pro V8's ECG feature is designed for fitness and wellness tracking. It is not a medical device. Always consult a physician for heart health concerns.

    BGEM™

    See Metabolic Risk Ahead of Time

    Based on AI modeling of your:

    • Sleep
    • Activity
    • Recovery
    • Lifestyle habits

    ...BGEM™ outputs your metabolic trend, blood-glucose-related risk signal, and long-term health changes — so risks can be noticed sooner rather than later.

    JCVital app BGEM blood glucose risk assessment screen

    BGEM™ is for health management purposes only and is not intended for medical diagnosis. It does not measure blood glucose directly and is not a diagnostic or medical device. It should not replace clinical testing or professional medical advice.

    JCVital AI Coach daily recommendation screen
    AI Coach™

    From Data to Action

    Most devices only tell you what happened. JCVital Pro V8 tells you what to do next.

    Every day, AI Coach™ generates personalized guidance:

    • Exercise recommendations
    • Sleep recommendations
    • Recovery guidance
    • Stress management
    • A long-term health optimization path
    The Complete Loop

    Real Health Is a Cycle, Not a Checklist

    Train Load Recover Sleep Train Again

    JCVital Pro V8 Helps You Achieve

    ✔ No overtraining

    ✔ No chronic fatigue

    ✔ No guesswork recovery

    ✔ Continuous, compounding progress

    Family Health Sharing

    Check in on the people you love — their sleep, activity, recovery, and health trends — in real time, no matter the distance.

    Screen-Free Design

    No display, fewer distractions, no meaningless notifications. Real health management doesn't require staring at a screen.

    All-Day Comfort

    A lightweight body and soft, breathable woven band you'll forget you're wearing — through sleep, workouts, travel, and meetings.

    JCVital Pro V8 worn during workouts, travel, and sleep
    Built for Real Life

    15+ Day Battery — Continuously Tracking How Your Body Changes

    Long workouts, longer trips — no frequent charging. All-day tracking, with no data lost in between.

    🏃 Training 🌙 Sleep 💼 Work 🧘 Meditation ✈️ Travel
    At a Glance

    Product Features

    15+ Day Battery
    ECG Monitoring
    Strain & Recovery
    Metabolic Health
    Glucose Risk Insights
    Women's Health
    Heart Rate
    AI Health Insights
    Activity Tracking
    Blood Oxygen
    Sleep Insights
    Biological Age
    Stress Management
    VO2 Max
    Specifications

    Built to Keep Up With You

    Product Name

    JCVital V8

    App Support

    Android/iOS

    Battery

    180mAh · 15+ days

    Water Resistance

    IP68 rated

    OTA Support

    Via BT 5.4

    Data Memory

    Up to 30 days

    Display

    Screen-free

    Sensors

    PPG · Temp · 3D

    Band Material

    Soft woven

    Why JCVital Pro V8

    Built for Depth, Not Just Steps

    FeatureJCVital Pro V8Typical Bands
    VitalAge™ Bio Age
    Recovery ScorePartial
    Strain ManagementPartial
    AI Health Coach
    Sleep CoachingBasic
    Mood Analysis
    Metabolic Risk
    Screen-Free
    Monthly FeeFreeOften paid
    FAQ

    Common Questions About JCVital Pro V8

    Does JCVital Pro V8 track training load and performance, like a running watch?

    Yes. Training & Performance™ analyzes heart rate zones, training intensity, efficiency, and the relationship between load and recovery, then uses AI to recommend whether to train, rest, or adjust intensity each day.

    Does JCVital Pro V8 require a monthly subscription?

    No. All core features — including Recovery, Strain, Sleep Coach, VitalAge, and AI Coach — are included with your purchase, with no recurring membership fee.

    Is the ECG feature medically certified?

    JCVital Pro V8's ECG feature is designed for fitness and wellness tracking. It is not a medical device and should not be used to diagnose or treat any condition. Speak with a physician for any heart health concerns.

    What is BGEM™ and does it measure blood glucose directly?

    BGEM™ is an AI-based wellness tool that models metabolic trends and blood-glucose-related risk factors from your lifestyle data. It does not measure blood glucose directly and is not a substitute for clinical testing.

    How long does the battery last?

    JCVital Pro V8 typically lasts 15+ days on a single charge, depending on usage such as ECG readings and workout tracking frequency.

    Is JCVital Pro V8 waterproof?

    It carries an IP68 water resistance rating, suitable for showering, swimming, and sweat during workouts. It is not designed for scuba diving or high-pressure water exposure.

    Which phones is it compatible with?

    The JCVital Pro app supports iOS 10.0 or later and Android 5.0 or later.

    Your Body's Future

    Starts With Truly Understanding It

    JCVital Pro V8 isn't just a smart band — it's an AI Health + Performance Operating System. Sleep, training, recovery, metabolism, and mood — all reconnected. Every day, getting better.

    Experience JCVital Pro V8 Now
    Scan to download the JCVital Pro app

    Scan to download the JCVital Pro App · iOS 10.0+ / Android 5.0+