Sleep Wearable Form Factor
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allentian Tk21p Configuration unspecified Medium Smart Watch
Available offers (3)
Current
Configuration unspecified
Newegg
€90.25
Available to order
Features
- Compatible with Android and iOS.
- Described as waterproof; no rating is specified.
- Claimed health measurements include blood glucose, blood lipid, uric acid, and body temperature.
General specs
- Brand: allentian
- Model: Tk21p
- Seller: Newegg
- ID: 9SIAEWSKAT8617
- Size: Medium
- Brand: allentian
- Model Name: Tk21p
- Part Number: 745197753370BlackLeather
- Product Type: Smart watch
- Water resistance claim: Described as waterproof; no rating specified
- Claimed health measurements: Blood glucose, blood lipid, uric acid, and body temperature
- Compatible Operating Systems: Android / IOS
- First listed by seller: October 21, 2026
If you are interested in more details, you can find full information on the seller's page.
€90.25
Last price update: 10/21/26
Available to order
Shipping options
Delivery to 
United States
United States
Available
A medium smart watch compatible with Android and iOS. It is described as waterproof, with no rating specified, and claims to measure blood glucose, blood lipid, uric acid, and body temperature.
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|---|---|---|---|---|---|---|
allentian Tk21p Compatible with Android and iOS.
|
allentian Et310 Compatibility: Android / iOS
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allentian Et310
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|
| Brand | allentian | allentian | allentian | allentian | allentian | allentian |
| Model | Tk21p | Et310 | Et470 | Et210 | TK12 | Et310 |
| Price | €90.25 | €107.23 | €61.66 | €111.70 | €93.83 | €107.23 |
| 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 | Tk21p | Et310 | Et470 | Et210 | TK12 | Et310 |
| Part Number | 745197753370BlackLeather | 745235831646BlackLeather | 778410974730BlackLeather | 5317878921497 | 730778231613BlackLeather | 745235831646Blue |
| Product Type | Smart watch | Smart watch | Smart watch | Smart watch | Smartwatch | Smartwatch |
| Compatibility | Android / IOS | Android / IOS | Android / iOS | Android and iOS | ||
allentian Tk21p Compatible with Android and iOS.
€90.25
When this device makes sense
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