CAOW4 M4/8 Smart Watch with Heart Rate and Blood Pressure Monitor: Heart rate and blood pressure monitoring
This fitness tracker is designed for active individuals who want to monitor their health without constant phone checks. It's perfect for tracking daily steps or monitoring heart rate during workouts.
Beyond basic fitness, it serves as a discreet health companion. The heart rate sensor provides continuous monitoring, giving you insights into your cardiovascular health during rest. You'll notice the vibration alert for inactivity reminds you to move when you've been sitting too long at your desk.
With IP67 waterproof rating, you can wear it during intense workouts or in the rain without worry. The FitPro app syncs seamlessly to show your progress over time. Bluetooth 4.1 connectivity keeps it paired with your smartphone for notifications and music control.
Features
- Fitness tracking with activity reminders
- IP67 waterproof for sports use
- Bluetooth 4.1 connectivity to smartphones
- Color touch display with phone unlocking
- Built-in speaker and music control
- Heart rate and blood pressure monitoring
General specs
- Brand: CAOW4
- Model: M4/8
- Seller: Joom
- ID: 688cf037c031fa514c348328
- Size: One Size
- Material: Silicone
- Band Width: 18, 22
- Closure Type: Buckle
- Band Features: Adjustable
- Device Compatibility: Xiaomi Mi Band 4, Xiaomi Mi Band 5, Xiaomi Mi Band 6, Xiaomi Mi Band 7, Xiaomi Mi Band 8, Xiaomi Smart Band 8
- First listed by seller: 12/6/25
If you are interested in more details, you can find full information on the seller's page.
Shipping options
United States
Comparison with similar products
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Smart Watch Black Heart rate monitoring
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Fitness Tracker Smart Band Black
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| Brand | CAOW4 | TYKOIT | LIVIKEY | Moremore | MorePro | USMECBL |
| Model | M4/8 | ID205U | C60 | AIR2 | ||
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| Price | $17.14 | $21.99 | $17.99 | $24.29 | $44.99 | $28.99 |
| Seller | Joom | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | January 30, 2026 | December 6, 2025 | January 21, 2026 | January 21, 2026 | January 21, 2026 | January 16, 2026 |
| Size | One Size | 1.3 inches | Adjustable | |||
| GPS | Connected | None | None | |||
| Weight | 82 | <num1>, <num2> | 150 | <num1>, <num2> | ||
| Battery Life | 7 | 5, 7 | 7 | 7 | 10, 14 | |
| Connectivity | Bluetooth | Bluetooth | Bluetooth | Bluetooth | Bluetooth | |
| Display Size | 1.61 | 1.1 | 1.57 | 1.47 | ||
| Display Type | AMOLED | AMOLED | TFT | AMOLED | ||
| Sports Modes | 10 | 25 | 112 | |||
| Band Material | Silicone | Silicone | Nylon, Silicone | |||
| Case Material | Stainless Steel | TPU | TPU | |||
| Health Sensors | Heart Rate, Blood Oxygen, Sleep Tracker | Heart Rate, Blood Pressure, SpO2 | Heart Rate, Blood Pressure, SpO2 | Blood Oxygen, Heart Rate | ||
| OS Compatibility | Android, iOS | Android, iOS | Android, iOS | Android, iOS | Android, iOS | |
| Water Resistance | IP68 | 5 ATM | IP68 | IP68 | IP68 | |
| Bluetooth Version | 4.0 | 5.0 | 5.2 | 5.0 | ||
