Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
If you are interested in more details, you can find full information on the seller's page.
BlitzWolf HL7 smart wearable device with a 1.95-inch AMOLED display and full touch operation. It has an IP68 water resistance rating and supports Android 8.0 and above and iOS 13.0 and above.
Listed functions include Bluetooth calling, health monitoring, SOS emergency calls, exercise recording, multiple sports modes, music and camera control, and notifications. It is not medical equipment; health tests are for reference only and cannot be used for medical purposes.
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
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BlitzWolf HL7
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BlitzWolf BW AT8
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BlitzWolf BW Voyager1 1.43-inch AMOLED display
|
Senbono HK21
|
Rogbid Mille 5ATM and IP69K waterproof rating
|
1.43-inch AMOLED Display Smart Watch ECG monitoring
|
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| Brand | BlitzWolf | BlitzWolf | BlitzWolf | Senbono | Rogbid | |
| Model | HL7 | BW AT8 | BW Voyager1 | HK21 | Mille | ET488 |
| Price | A$49.84 | A$34.61 | A$96.92 | A$87.23 | A$83.07 | A$100.38 |
| Seller | Banggood | Banggood | Banggood | Banggood | Banggood | Banggood |
| Update | Nov 13, 2026 | Nov 13, 2026 | Nov 13, 2026 | Nov 13, 2026 | Nov 13, 2026 | Nov 13, 2026 |
| Display | 1.95-inch AMOLED display | 1.43-inch AMOLED display | 2.01-inch AMOLED | |||
| Model Name | HL7 | BW-AT8 | BW-Voyager1 | HK21 | ||
| Product Type | Smart wearable device | Smartwatch | Smartwatch | smart wearable device | ||
| Model Number | BW AT8 | BW Voyager1 | HK21 | |||
| Standby Time | About 2–3 months | About 25–30 days | 60-75 days | 20-30 days | ||
| Charging Time | About 2–3 hours | About 3–4 hours | 2-3 hours | |||
| Charging Type | Magnetic charging | Magnetic charging | Magnetic | |||
| Battery Capacity | 1000 mAh | 260 mAh | 520mAh | 380mAh | ||
| Bluetooth Version | 5.2 | Bluetooth 5.3 | BT5 3 | BLE 5.3 | BLE5.3 | |
| Waterproof Rating | 1 ATM | IP67 | 5ATM, IP69K | |||
| Compatible Operating Systems | Android 5.0 and above; iOS 9.0 and above | Android 4.4 and above; iOS 9.0 and above | Android 4.4 and above; Apple iOS 9.0 and above | Android 5.0 and above, iOS 10.0 and above | ||
| App Name | Co Fit | Da Fit | Hband | |||
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