Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
allentian T21 Black Medium Smart Watch
Available offers (2)
Current
Black
Newegg
€58.98
Available to order
Features
- Heart rate monitoring is stated.
- Blood pressure monitoring is stated.
- Bluetooth calling is stated.
- Described as waterproof; no rating is stated.
- Compatibility: Android / IOS.
- Described for outdoor sports.
General specs
- Brand: allentian
- Model: T21
- Seller: Newegg
- ID: 9SIAEWSKAT8181
- Size: Medium
- Brand: allentian
- Model Name: T21
- Part Number: 748145379337Black
- Product Type: smart watch
- Compatibility: Android / IOS
- Outdoor sports: Described for outdoor sports.
- Waterproof claim: Described as waterproof; no rating is stated.
- Bluetooth Calling: Bluetooth calling is stated.
- Heart Rate Monitoring: Heart rate monitoring is stated.
- Blood Pressure Monitoring: Blood pressure monitoring is stated.
- First listed by seller: October 21, 2026
If you are interested in more details, you can find full information on the seller's page.
€58.98
Last price update: 10/21/26
Available to order
Shipping options
Delivery to 
United States
United States
Available
A medium smart watch with stated heart rate and blood pressure monitoring, Bluetooth calling, and compatibility with Android / IOS. It is described as waterproof, with no rating stated, and for outdoor sports.
Similar products comparison
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|---|---|---|---|---|---|---|
allentian T21 Heart rate monitoring is stated.
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allentian C20 IP67 water-resistance rating
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allentian Mk60 Bluetooth calling is stated.
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allentian Od2 Heart rate feature stated
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allentian C21pro 1.39-inch screen
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allentian Dt99 Bluetooth calling is listed.
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|
| Brand | allentian | allentian | allentian | allentian | allentian | allentian |
| Model | T21 | C20 | Mk60 | Od2 | C21pro | Dt99 |
| Price | €58.98 | €57.19 | €67.91 | €88.47 | €114.38 | €106.34 |
| 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 | T21 | C20 | Mk60 | Od2 | C21pro | Dt99 |
| Part Number | 748145379337Black | 5100578589450 | 5465101195618 | 759525377053WhiteAndGray | 719424970045Grey | 748620844393Black |
| Product Type | smart watch | Smart watch | Smart watch | Smart watch | Smart watch | Smart watch |
| Compatibility | Android / IOS | Android / IOS | Android / IOS | Android / IOS | Android / iOS | Android and iOS. |
| Bluetooth Calling | Bluetooth calling is stated. | Bluetooth calling is stated. | Bluetooth calling feature stated | Bluetooth calling is listed. | ||
| Heart Rate Monitoring | Heart rate monitoring is stated. | Heart rate is listed as a feature. | Heart rate is stated as a feature. | Heart rate feature stated | Heart rate monitoring is listed. | |
| Blood Pressure Monitoring | Blood pressure monitoring is stated. | Blood pressure is listed as a feature. | Blood pressure is stated as a feature. | Blood pressure feature stated | Blood pressure monitoring is listed. | |
allentian T21 Heart rate monitoring is stated.
€58.98
When this device makes sense
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