The REXQU HarmonySync pairs a vivid 1.32″ AMOLED display with heart-rate, sleep and women’s health tracking — wrapped in a slim round case that goes from workout to dinner without missing a beat.
✓ Free shipping ✓ 30-day money-back guarantee ✓ Works with iPhone & Android
Six essentials, one elegant watch — the HarmonySync keeps health, style and battery life in perfect balance.
A crisp 466×466 always-vivid AMOLED screen that stays readable in bright daylight and glows softly at night.
A dedicated optical heart-rate sensor tracks your pulse through the day so you can see how your body responds to work, rest and exercise.
Wear it overnight and wake to a clear picture of your sleep, so you can build better bedtime habits week by week.
Log and follow your monthly rhythm right from your wrist, with gentle reminders inside the FitcloudPro app.
From brisk walks to studio sessions, pick a sport mode and let the watch record your effort automatically.
A 300mAh battery delivers up to 30 days of standby from a single two-hour charge — stop charging nightly.
The HarmonySync’s optical sensor keeps a quiet watch over your pulse from morning coffee to evening wind-down. Open the FitcloudPro app to see your trends over days and weeks, and understand how stressali…
Built-in women’s health tracking lets you log and predict your monthly cycle straight from your wrist. Discreet on-watch reminders and a private calendar in the app help you plan ahead with confidence.
For wellness tracking and awareness — not a replacement for professional medical advice.
Wear the HarmonySync to bed and it quietly records how long and how well you slept. Review your night in the app each morning and spot the habits that help you rest deeper.
For wellness awareness and conversations with your physician — not a replacement for a medical device.
Choose from multiple sport modes and the HarmonySync records your session while you focus on the movement. From yoga to power walks, your effort is captured and saved automatically.
Multi-theme style switching lets you change your watch face to match your outfit, your mood or the moment — from classic analog dials to clean modern layouts, all on a brilliant AMOLED screen.
A two-hour charge powers up to 30 days of standby, so the HarmonySync is ready whenever you are. No nightly charging ritual — just pick it up and go.
| REXQU HarmonySync | Big-Brand Smartwatch | Basic Fitness Band | |
|---|---|---|---|
| Display | 1.32″ AMOLED, 466×466 | ✓ | ✓ Basic |
| Heart-Rate Monitoring | Yes — dedicated optical sensor | Some models | ✗ |
| Sleep Tracking | Yes — automatic overnight | ✓ | ✗ Small strip |
| Women’s Health | Yes — cycle tracking | Top models only | ✗ |
| Sport Modes | Multiple sport modes | ✓ | ✓ Basic |
| Battery | Up to 30-day standby, 2h charge | ✓ | Limited |
| Water Resistance | IP67 | 2-3 typical | 1-2 |
| Bluetooth | BT 5.2 | 45-60g | 25g |
| App | FitcloudPro (free) | 1-2 days | 5-7 days |
| Compatibility | Android 4.4+ / iOS 9.0+ | $399+ | $99 + fees |
I stopped charging my watch every night — the HarmonySync just keeps going. The sleep tracking finally showed me why my mornings were rough.
It’s the first smartwatch that actually looks like jewelry. I switch the watch face to match my outfit and the cycle tracking is genuinely useful.
My heart rate trends helped me pace my walks better. Beautiful screen, light on the wrist, and the battery life is unreal.
Every order is covered by our 30-day money-back guarantee — with free tracked shipping and easy returns. Love it, or send it back. No questions, no fuss.
Choose from three elegant mesh finishes or three soft silicone bands — every HarmonySync pairs a zinc-alloy case with a strap that fits 160–250mm wrists.
Swap dials in the CO-FIT app — delicate analog looks, bold digital layouts and colourful faces that make the AMOLED screen sparkle.
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1000W GaN technology · 10 ports · charge laptops, phones, tablets and more simultaneously. Ships with your order.
One click — your saved card is charged instantly. This offer is only available right now.
One click — your saved card is charged instantly. This offer disappears when you leave.
A receipt is on its way to your email. Your HarmonySync ships within 24–48 hours.
Wear the HarmonySync for a full month — workouts, workdays, sleep and all. If it hasn’t made the healthy habits easier, send it back for a complete refund. No restocking fee, no questions.
Yes. A dedicated optical heart-rate sensor monitors your pulse throughout the day, and the FitcloudPro app shows your trends over time.
Yes. You can log and follow your monthly cycle from the watch, with a private calendar and reminders in the free FitcloudPro app.
Up to 30 days of standby from a single charge. A full charge takes about 2 hours with the included magnetic charging cable.
The HarmonySync is IP67 rated — it handles handwashing, rain and everyday splashes. We don’t recommend swimming or showering with it.
Yes. It pairs over Bluetooth 5.2 with the free FitcloudPro app and works with Android 4.4+ and iOS 9.0+.
Your HarmonySync watch, a magnetic charging cable, a quick-start guide and our 30-day money-back guarantee.
Join thousands of women who track their heart, sleep and cycle with a watch that looks as good as it works — backed by our 30-day money-back guarantee.
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