A zinc-alloy rugged watch that tracks heart rate around the clock, checks blood oxygen and sleep, takes Bluetooth calls and logs 100+ sports — on a 1.43-inch AMOLED that keeps going up to 15 days per charge.
✓ Free shipping ✓ 30-day money-back guarantee ✓ Works with iPhone & Android
Every claim below comes straight from the manufacturer spec sheet — a rugged watch that earns its look.
466×466 pixels at 650 nits with always-on support — bright enough for noon sun, sharp enough for small print.
A zinc-alloy case with reinforced side armor and IP68 & 1ATM water resistance shrugs off rain, sweat and rough handling.
The optical sensor tracks your heart rate around the clock, awake or asleep, workout or desk day.
Check SpO₂ whenever you like and keep an eye on how your body is coping with effort and recovery.
Automatic sleep monitoring plus steps, calories and sedentary reminders keep the full picture in view.
Bluetooth 5.2 calling with speaker and mic, 100+ sport modes and a 410mAh battery that runs up to 15 days.
The EnduroMax wraps a zinc-alloy case in reinforced side armor with dedicated POWER and SPORT buttons — a watch you stop babying the day you strap it on, rated IP68 with 1ATM water resistance.
The optical heart-rate sensor never clocks out: continuous 24-hour tracking through workouts, workdays and everything between, with your full history charted in the DAFit app.
For wellness tracking and awareness — not a replacement for professional medical advice.
Take an SpO₂ reading whenever you want one — after a hard climb, a long flight or a rough night — and see how your body is really coping.
Designed for awareness and conversation with your physician — not for diagnosis.
A built-in speaker and microphone over Bluetooth 5.2 means you answer and make calls from your wrist — plus notifications and a voice assistant for hands-free moments.
Automatic sleep monitoring runs while you rest, and daytime nudges — sedentary reminders, steps and calories — keep the healthy habits stacking up.
The 1.43-inch AMOLED pushes 650 nits at 466×466 — readable in full sun — while the 410mAh battery runs up to 15 days of normal use and charges in about 2.5 hours.
| REXQU EnduroMax | Big-Brand Smartwatch | Basic Fitness Band | |
|---|---|---|---|
| 1.43″ AMOLED at 650 nits | ✓ 466×466 pixels | ✓ | ✗ Small LCD |
| Rugged zinc-alloy case | ✓ Armored sides | Extra-cost models | ✗ |
| IP68 & 1ATM water resistance | ✓ Included | ✓ | Splash only |
| 24-hour heart rate | ✓ Included | ✓ | ✓ Basic |
| Blood oxygen (SpO₂) | ✓ On demand | ✓ | Some models |
| Sleep monitoring | ✓ Automatic | ✓ | ✓ Basic |
| Bluetooth calls (speaker + mic) | ✓ Included | ✓ | ✗ |
| Sport modes | 100+ | ✓ | ~20 |
| Battery per charge | Up to 15 days | 1–2 days | 5–7 days |
| Price | $149.97 | $399+ | $99 + app fees |
“I work construction and this is the first watch that hasn’t cracked, scratched or quit on me. Charged it twice this month.”
“The battery claim is real — twelve days with calls and sleep tracking on. And I can actually read it in direct sun.”
“Answering calls from the wrist while both hands are on the ladder is the feature I didn’t know I needed.”
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.
All Black, or Black with the signature Orange armor — the same sensors, battery and rugged build under both.
Swap between analog-digital hybrids, bold data screens and clean classic dials right on the watch — plus a full library in the DAFit app.
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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 EnduroMax ships within 24–48 hours.
Wear the EnduroMax hard for a full month — job site, trail, gym, sleep. If it hasn’t earned the wrist space, send it back for a complete refund. No restocking fee, no interrogation.
Yes — the EnduroMax pairs with Android phones and iPhones through the free DAFit app over Bluetooth 5.2, with calls and notifications on both.
No. Heart rate, SpO₂, sleep tracking, calls, all 100+ sport modes and every watch face are included permanently — no monthly fees.
The 410mAh battery runs up to 15 days of normal use depending on settings, with roughly 6 hours of continuous talk time. A full charge takes about 2.5 hours.
Calls use Bluetooth, so your phone needs to be within range — but it can stay in a pocket or pack. The watch’s own speaker and microphone handle the conversation.
The EnduroMax is rated IP68 with 1ATM water resistance — rain, sweat, hand-washing and splashes are no problem. Avoid hot showers, saunas and diving.
You get a 30-day money-back guarantee: wear it for a month and if it disappoints, return it for a full refund with free tracked shipping on the original order.
Join thousands who wear a watch that survives the week and watches their health while doing it. Today: $149.97 instead of $219.97, with free shipping and a 30-day guarantee.
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