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Black round smartwatch with alloy metal case, 1.39 inch HD screen, PU leather strap

ZOSKVEE

ZOSKVEE E400 1.39 inch Smart Watch Black

SKU CH-3H1A-1GYSR

Tracks heart rate, blood pressure, blood oxygen and ECG while lasting up to seven days per charge

  • Product colorBlack
  • 39 inch HD display with 360x360 resolution for clear viewing
  • IP68 waterproof rating protects against dust and water ingress
  • 280mAh battery delivers 4-7 days active use and 30 days standby
  • Real-time ECG analysis and non-invasive blood sugar monitoring included
  • Supports 12+ languages including English, German, French and Spanish

1.39 inch HD Round Display Smart Watch

The ZOSKVEE E400 is a wearable device with a 1.39 inch high-definition round screen at 360x360 resolution. It targets users who want continuous health tracking including ECG analysis, non-invasive blood sugar estimation, heart rate, blood pressure and blood oxygen monitoring. Multi-sport modes extend its use to daily fitness routines.

Alloy Metal Shell with IP68 Rating

The case combines alloy metal and plastic for a compact form factor, while the PU strap secures the watch on the wrist. An IP68 waterproof grade allows wear during hand washing, rain or sweat-heavy workouts without removal. Charging uses a USB magnetic 2 Pin cable that snaps on quickly, and standby time reaches about 30 days with typical use lasting 4-7 days.

Health-Focused Upgrade from Basic Trackers

This watch replaces simple step counters or notification-only bands by adding real-time ECG analysis with chest stickers or an ECG belt, plus non-invasive blood sugar tracking. The jump is worth it for users who need those specific metrics daily rather than occasional heart-rate checks. Buyers who want more storage, built-in GPS maps or cellular calling will not find those features here.

How it compares

Measured against everything we stock in Smartwatches & Wearables, at today’s prices. Recalculated every night.

Price $61.99
Pricier than about 70% of the 2,527 comparable items (median $44.99).

Specifications

Product
Product colorBlack

Questions about this item

What Bluetooth version does the E400 smart watch require on my phone?

The watch pairs with phones running Android 5.0 or later and iOS 10.0 or later using its built-in Bluetooth radio.

What are the case dimensions and strap attachment style of the E400?

The 1.39 inch alloy metal and plastic case uses a standard PU leather strap that attaches with spring bars.

How do I set up the ECG and non-invasive blood sugar features on the E400?

Pair the watch via the companion app, apply the chest stickers or wear the ECG belt, then start a measurement from the watch menu while staying still.

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