1.39 inch HD Round Screen Leather Strap Smart Watch Supports ECG Monitoring/Non-invasive Blood Sugar | E400-WearableMaster
Price range: $49.07 through $49.44
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Why You’ll Love It?
The E400 smart watch combines a 1.39-inch round HD display with a crisp 360 × 360 resolution and a classic PU leather strap.
Its wellness suite includes ECG analysis support with compatible chest accessories, plus blood-sugar trend, heart-rate, blood-pressure and blood-oxygen reference monitoring.
A 280mAh battery provides about 4–7 days of use, while magnetic charging and IP68-rated construction support convenient everyday wear.
Available in brown or black leather finishes, the E400 smart watch suits buyers who want extensive wellness summaries in a traditional round profile.
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WearableMaster'Opintion For Your Selection
WearableMaster'Opinion For Your Selection
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360 × 360 Round Display - 87%
87%
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ECG Analysis Support - 88%
88%
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Wellness Trend Coverage - 89%
89%
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4–7 Day Battery Life - 85%
85%
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Leather-Strap Design - 86%
86%
Best Uses and Buyer Fit
Use cases: reviewing ECG data with compatible accessories, following daily wellness trends, checking sleep and activity summaries and wearing a classic-style watch at work or home.
Best for: users who value a broad set of wellness reference tools and prefer a round display with a leather strap.
Benefits: the 360 × 360 screen presents detailed summaries clearly, while ECG support, multiple trend indicators and 4–7 day stated battery life provide a focused health-awareness experience.
Ideal buyer profiles: wellness-focused adults, office users, caregivers comparing personal trend tools and buyers who prefer brown or black leather styling.
Pros
- ECG analysis support with compatible chest accessories
- Broad set of wellness reference indicators
- Sharp 1.39-inch 360 × 360 round display
- Brown and black PU leather strap options
Cons
- Wellness and ECG information is intended for personal reference
- Some ECG functions use compatible external accessories
- Battery duration varies with monitoring frequency and display use
E400 Smart Watch Specifications
1. Screen size: 1.39 inch high-definition display
2. Resolution: 360×360
3. Battery capacity: 280mAh
4. Shell material: alloy metal + plastic
5. Strap: PU
6. Waterproof grade: IP68
7. Bluetooth requirements: Android5.0 and above / ios10.0 and above
8. Charging method: USB magnetic 2 Pin charging cable
9. Standby time: about 30 days
10. Battery life: 4-7 days
11. Support Chinese (Simplified, Traditional), Korean, Japanese, English, German, French, Italian, Spanish, Portuguese (Portugal), Russian, Hungarian, Turkish, Indonesian, Polish, Czech, Greek English, Swedish and many national languages.
12. Supports real-time ECG analysis with chest stickers, ECG belt monitoring, non-invasive blood sugar, heart rate monitoring, blood pressure monitoring, blood oxygen monitoring, and multi-sport modes.
Q & A
1.39 inch HD Round Screen Leather Strap Smart Watch Supports ECG Monitoring/Non-invasive Blood Sugar | E400-WearableMaster
| Detail Specs | E400 |
|---|---|
| Model | E400 |
| Screen size | 1.39 inch high-definition display |
| Resolution | 360x360 |
| Battery capacity | 280mAh |
| Shell material | alloy metal + plastic |
| Strap | PU |
| Waterproof grade | IP68 |
| Bluetooth requirements | Android5.0 and above / ios10.0 and above |
| Charging method | USB magnetic 2 Pin charging cable |
| Standby time | about 30 days |
| Battery life | 4-7 days |
| One Package Weight | 0.21kgs / 0.47lb |
| One Package Size | 18cm * 10cm * 5cm / 7.09inch * 3.94inch * 1.97inch |
| Qty per Carton | 60 |
| Carton Weight | 11.80kgs / 26.01lb |
| Carton Size | 38cm * 52cm * 32cm / 14.96inch * 20.47inch * 12.6inch |
| Loading Container | 20GP: 421 cartons * 60 pcs = 25260 pcs 40HQ: 979 cartons * 60 pcs = 58740 pcs |
Quick Comparison
| 1.39 inch HD Round Screen Leather Strap Smart Watch Supports ECG Monitoring/Non-invasive Blood Sugar | E400-WearableMaster remove | ASUS TUF Gaming remove | HP Victus 16-e0174nw remove | Microsoft Surface Laptop Studio remove | Acer ProDesigner PE320QK remove | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Name | 1.39 inch HD Round Screen Leather Strap Smart Watch Supports ECG Monitoring/Non-invasive Blood Sugar | E400-WearableMaster remove | ASUS TUF Gaming remove | HP Victus 16-e0174nw remove | Microsoft Surface Laptop Studio remove | Acer ProDesigner PE320QK remove | ||||||||||||||||
| Image |  |  | | | | ||||||||||||||||
| SKU | WMS-E400 | 30899 | 30898 | 30902 | 2144207 | ||||||||||||||||
| Rating | |||||||||||||||||||||
| Price | Price range: $49.07 through $49.44 | $1,640.00 | Original price was: $1,020.00.$918.00Current price is: $918.00. | $1,800.00 | $750.00 | ||||||||||||||||
| Stock | 29 in stock | 29 in stock | 29 in stock | 29 in stock | |||||||||||||||||
| Availability | 29 in stock | 29 in stock | 29 in stock | 29 in stock | |||||||||||||||||
| Add to cart | Select options This product has multiple variants. The options may be chosen on the product page | ||||||||||||||||||||
| Weight | N/A | N/A | N/A | N/A | N/A | ||||||||||||||||
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FAQs
Q & A
1.39 inch HD Round Screen Leather Strap Smart Watch Supports ECG Monitoring/Non-invasive Blood Sugar | E400-WearableMaster
