Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
allentian K37 Medium size Medium Smart Watch
Available offers (5)
Current
Medium size
Newegg
€167.82
Available to order
Newegg
€167.82
Available to order
Features
- Compatible with Android and iOS
- Advertised as a female physiological cycle reminder
- Advertised as true blood oxygen
- GPS and double star positioning
General specs
- Brand: allentian
- Model: K37
- Seller: Newegg
- ID: 9SIAEWSKAP3768
- Size: Medium
- Brand: allentian
- Model Name: K37
- Part Number: 693973919278Grey
- Positioning: GPS and double star positioning
- Product Type: Smart watch
- Blood oxygen feature: Advertised as true blood oxygen
- Device Compatibility: Android / IOS
- Physiological cycle reminder: Advertised as a female physiological cycle reminder
- First listed by seller: October 21, 2026
If you are interested in more details, you can find full information on the seller's page.
€167.82
Last price update: 11/14/26
Available to order
We may earn a commission
Shipping options
Delivery to 
United States
United States
Available
Medium smart watch with Android and iOS compatibility, a female physiological cycle reminder, true blood oxygen, and GPS and double star positioning, as advertised.
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allentian K37 Compatible with Android and iOS
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allentian K37 Smart Watch Compatible with Android and iOS
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allentian Ks05 Compatible with Android / iOS.
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allentian ET381 Compatible with Android and iOS
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Smart Watch, Medium
|
|
| Brand | allentian | allentian | allentian | allentian | allentian | allentian |
| Model | K37 | K37 Smart Watch | Ks05 | Ks05 | ET381 | |
| Price | €167.82 | €167.82 | €140.61 | €140.61 | €107.95 | €134.26 |
| Seller | Newegg | Newegg | Newegg | Newegg | Newegg | Newegg |
| Update | Nov 14, 2026 | Nov 14, 2026 | Nov 14, 2026 | Nov 14, 2026 | Nov 14, 2026 | Nov 14, 2026 |
| Size | Medium | Medium | Medium | Medium | Medium | Medium |
| Model Name | K37 | K37 Smart Watch | Ks05 | Ks05 | ET381 | |
| Part Number | 693973919278Grey | 693973919278Green | 760514286333Silver | 760514286333Black | 5362835421266 | 782736086679Black |
| Product Type | Smart watch | Smartwatch | Smart watch | Smartwatch | Smartwatch | Smart watch |
| Compatibility | Android / iOS | Android / IOS | Android / IOS | Android / IOS | ||
allentian K37 Compatible with Android and iOS
€167.82
We may earn a commission
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