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; physiological cycle reminder; blood oxygen monitoring; GPS double-star positioning Medium Smartwatch
Available offers (5)
Current
Medium size; physiological cycle reminder; blood oxygen monitoring; GPS double-star positioning
Newegg
€167.82
Available to order
Features
- Compatible with Android and iOS
- Physiological cycle reminder
- Blood oxygen monitoring
- GPS double-star positioning
General specs
- Brand: allentian
- Model: K37
- Seller: Newegg
- ID: 9SIAEWSKAK4684
- Size: Medium
- Brand: allentian
- Model Name: K37
- Part Number: 693973919278Black
- Positioning: GPS double-star positioning
- Product Type: Smartwatch
- Compatibility: Android and iOS
- Blood Oxygen Monitoring: Yes
- Physiological cycle reminder: Yes
- First listed by seller: November 13, 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 smartwatch with Android and iOS compatibility, a physiological cycle reminder, blood oxygen monitoring, and GPS double-star positioning.
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|
| Brand | allentian | allentian | allentian | allentian | allentian | allentian |
| Model | K37 | K37 Smart Watch | Mt39 | TK23 | K55 | Ks05 |
| Price | €167.82 | €167.82 | €86.18 | €51.71 | €67.13 | €140.61 |
| 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 | Mt39 | TK23 | K55 | Ks05 |
| Part Number | 693973919278Black | 693973919278Green | 752343437086Black | 758317959092Black | 5160164258394 | 760514286333Black |
| Product Type | Smartwatch | Smartwatch | Smartwatch | Smartwatch | smartwatch | Smartwatch |
| Compatibility | Android and iOS | Android / iOS | Android and iOS | Android / iOS | Android / iOS | Android / IOS |
| Blood Oxygen Monitoring | Yes | Supported | Supported | |||
| Bluetooth Calling | Supported | Supported | Listed as supporting Bluetooth calling | |||
allentian K37 Compatible with Android and iOS
€167.82
We may earn a commission
When this device makes sense
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