16Double8 ZL54CJ Smart Watch with Bluetooth: Heart rate monitoring
What does a smartwatch need to do to earn its keep on your wrist? The ZL54CJ aims to answer that with a blend of health smarts and everyday utility. It pairs effortlessly over Bluetooth, piping notifications for calls, texts, and apps straight to your wrist—no more frantic phone-digging during meetings or workouts. For the health-conscious, it's a mini clinic on a strap, tracking heart rate, blood pressure, and blood oxygen levels in real-time. Think of it as your personal wellness dashboard, always on duty.
But it's not all serious business. Cue up your playlist and control the music directly from the watch—perfect for keeping the beats rolling without breaking stride on a run or ride. With multi-sport modes covering everything from cycling to swimming, it's like having a coach that never complains. The interface? Smooth and intuitive. Battery life? Long enough to forget the charger for days. Whether you're crushing it at the gym, grinding at the desk, or just out and about, this gadget slots right into the rhythm of your life.
Features
- Blood pressure tracking
- Oxygen saturation monitoring
- Bluetooth music control
- Message notifications
- Multi-sport tracking
- Heart rate monitoring
General specs
- Brand: 16Double8
- Model: ZL54CJ
- Seller: Joom
- ID: 68a6c94d11530a0119cb343b
- Connectivity: Bluetooth
- Sensors: Heart rate monitor, Blood pressure sensor, Oxygen saturation sensor
- Functions: Music control, Message notifications, Multi-sport tracking
- Compatibility: Smartphones with Bluetooth
- First listed by seller: 8/25/25
If you are interested in more details, you can find full information on the seller's page.
Price History for seller Joom
| Date | Price |
|---|---|
| 11/15/25 | $34.66 |
| 8/25/25 | $31.14 |
Shipping options
United States
Comparison with similar products
| This item | Recommendations | |||||
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16Double8 ZL54CJ Heart rate monitoring
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Smart Health Monitoring Watch 1.49inch AMOLED Display
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Bluetooth Smartwatch All Day Monitoring Of Heart Rate
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Smart Sports Watch Fitness tracking
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Choiknbo ac34e7a4-c908-4a12-bcce-54656dac82a8 Heart Rate and Fitness Tracker
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| Brand | 16Double8 | Choiknbo | ||||
| Model | ZL54CJ | E800 | K55 | ac34e7a4-c908-4a12-bcce-54656dac82a8 | ||
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| Price | $34.66 | $49.81 | $42.99 | $49.99 | $37.99 | $14.99 |
| Seller | Joom | Banggood | Gshopper | Gshopper | Gshopper | Amazon |
| Update | November 14, 2025 | December 6, 2025 | July 25, 2024 | July 25, 2024 | July 25, 2024 | December 6, 2025 |
| Connectivity | Bluetooth | Bluetooth | Bluetooth | USB, 5.1 Bluetooth, GPS Via Smartphone | ||
