Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
KarenM M4 GPS Compass Sport Watch
Product details
General specs
- Brand: KarenM
- Model: M4
Starting from €34.33
Last price update: 9/22/26
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KarenM M4 GPS
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| Brand | KarenM | JnJnhkta | Xiaomi | |||
| Model | M4 | P69 | Bip | DT78 | B57 | L10 |
| Price | €34.33 | €80.25 | €71.33 | €15.61 | €10.69 | €20.51 |
| Seller | Alibaba | Retailer | Alibaba | Alibaba | Alibaba | Alibaba |
| Update | Oct 17, 2026 | Mar 31, 2026 | Oct 17, 2026 | Oct 17, 2026 | Oct 17, 2026 | Oct 17, 2026 |
| Water Resistance | Waterproof | Waterproof | Waterproof | Waterproof | waterproof | |
| Product Type | Smart Watch | Smart Watch | Sport Smart Watches | |||
