Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
Waterproof Round Smartwatch: Waterproof
The Lef3 is a round smartwatch with a 1.39-inch display, Android 7.1, 1GB RAM, and 16GB storage.
It is described as waterproof and includes GPS for positioning, 4G connectivity, and blood pressure monitoring.
Features
- 4G connectivity
- GPS
- 1.39-inch display
- 1GB RAM
- 16GB storage
- Runs Android 7.1
- Blood pressure monitoring
- Round design
- Waterproof
General specs
- Seller: Alibaba
- ID: 60818159123
- GPS: gps
- Brand: Lef3
- Shape: round
- Network: 4g
- Product Type: Smartwatch
- Blood Pressure: blood pressure
- Operating System: android 7.1
- Water Resistance: waterproof
- First listed by seller: September 22, 2026
If you are interested in more details, you can find full information on the seller's page.
€127.30
Last price update: 9/22/26
Available to order
Shipping options
Delivery to 
United States
United States
Available
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| Brand | Lef3 | LEMFO | LEMFO | LEMFO | Tinderala | |
| Model | LEM8 | LEM10 | LEMT | |||
| Color | ||||||
| Rating | ||||||
| Price | €127.30 | €103.59 | €126.90 | €113.25 | €127.30 | €138.70 |
| Seller | Alibaba | Alibaba | Alibaba | Alibaba | Alibaba | Alibaba |
| Update | Sep 28, 2026 | Sep 28, 2026 | Sep 28, 2026 | Sep 28, 2026 | Sep 28, 2026 | Sep 28, 2026 |
| GPS | gps | GPS | GPS | GPS | GPS | |
| Product Type | Smartwatch | Smart Watch, Smartwatch | smart watch, smartwatch | Smart Watch | ||
| Operating System | android 7.1 | Android 7.1.1 | Android7.1.1 | Android 7.1 | Android 7.1 | Android 7.1 |
| Screen Size | 1.88 Inch | 2.86inch | 2.86 Inch | |||
Waterproof Round Smartwatch Waterproof
€127.30
When this device makes sense
Product confidence
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