Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
allentian E400 Medium Medium Smartwatch
Available offers (9)
Current
Medium
Newegg
€99.19
Available to order
Features
- Listed measurement functions: ECG, blood glucose, body temperature, blood pressure, and heart rate measurement
- Described as waterproof
- Compatible with Android / IOS
General specs
- Brand: allentian
- Model: E400
- Seller: Newegg
- ID: 9SIAEWSKAT8603
- Size: Medium
- Brand: allentian
- Model Name: E400
- Part Number: 742917602007DarkRed
- Product Type: Smartwatch
- Compatibility: Android / IOS
- Waterproof claim: Described as waterproof
- Listed measurement functions: ECG, blood glucose, body temperature, blood pressure, and heart rate measurement
- First listed by seller: October 21, 2026
If you are interested in more details, you can find full information on the seller's page.
€99.19
Last price update: 10/21/26
Available to order
Shipping options
Delivery to 
United States
United States
Available
Medium smartwatch with listed ECG, blood glucose, body temperature, blood pressure, and heart rate measurement functions. Described as waterproof and compatible with Android / IOS.
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allentian E400
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|
| Brand | allentian | allentian | allentian | allentian | allentian | allentian |
| Model | E400 | E400 Smart Watch | E420 | Et310 | E500 | ET482 |
| Price | €99.19 | €99.19 | €117.95 | €107.23 | €88.47 | €147.44 |
| Seller | Newegg | Newegg | Newegg | Newegg | Newegg | Newegg |
| Update | Nov 3, 2026 | Nov 3, 2026 | Nov 3, 2026 | Nov 3, 2026 | Nov 3, 2026 | Nov 3, 2026 |
| Size | Medium | Medium | Medium | Medium | Medium | Medium |
| Model Name | E400 | E400 Smart Watch | E420 | Et310 | E500 | ET482 |
| Part Number | 742917602007DarkRed | 742917602007Red | 773440097863BlackLeather | 745235831646BlackLeather | 5019795445344 | 785433923123SilverSteel |
| Product Type | Smartwatch | Smart watch | Smart watch | Smart watch | Smart watch | Smartwatch |
| Compatibility | Android / IOS | Android / IOS | Android / iOS | Android / IOS | Android / iOS | Android / IOS |
| Waterproof claim | Described as waterproof | Described as waterproof; no rating stated | Described as waterproof; no rating specified | |||
allentian E400
€99.19
When this device makes sense
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