Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
CK78 IP68 Waterproof Bluetooth Smart Watch
Available offers (2)
Current
IP68 Waterproof
Alibaba
€17.72
Available to order
Features
- IP68 waterproof rating
- Heart rate monitor
- Tracker function
- Bluetooth smart watch
- Wrist band
General specs
- Model: CK78
- Seller: Alibaba
- ID: 62377539042
- Model: CK78
- Bluetooth: bluetooth
- Waterproof Rating: Ip68
- Heart Rate Monitoring: Heart Rate Monitor
- First listed by seller: September 22, 2026
If you are interested in more details, you can find full information on the seller's page.
€17.72
Last price update: 9/22/26
Available to order
Shipping options
Delivery to 
United States
United States
Available
The CK78 is a Bluetooth smartwatch with a wrist band. It includes a heart rate monitor and a tracker function, though the source does not specify what the tracker measures. It has a stated IP68 waterproof rating.
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| Model | CK78 | M28 | P70/P80 | P70 | SKY 2 | LEMT |
| Price | €17.72 | €10.99 | €19.34 | €23.52 | €17.08 | €118.97 |
| Seller | Alibaba | Alibaba | Alibaba | Alibaba | Alibaba | Alibaba |
| Update | Nov 13, 2026 | Nov 13, 2026 | Nov 13, 2026 | Nov 13, 2026 | Nov 13, 2026 | Nov 13, 2026 |
| Bluetooth | bluetooth | Bluetooth | bluetooth | |||
| Heart Rate Monitoring | Heart Rate Monitor | Heart Rate Monitor | Heart Rate Monitor | |||
| Fitness Tracking | Fitness Tracker | Fitness Tracker | Sport fitness tracker | |||
Bluetooth Smart Watch IP68 waterproof rating
€17.72
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