ZaunWorld Band 7 Smart Activity Tracker Watch: Bluetooth 5.2 connectivity
Available Options

Meet the Smart Activity Tracker Watch: a gadget that promises to turn your wrist into a personal health dashboard. It packs advanced sensors for continuous heart rate monitoring, blood oxygen tracking, and sleep analysis—delivering insights that might just nudge you toward better habits. With Bluetooth 5.2, it syncs data to your phone seamlessly, so you're never left guessing about your stats.
This wearable is built for the daily grind, whether you're a gym rat or just trying to sneak in more steps. Use it to log workouts or keep tabs on your heart rate trends over coffee. The high-res display and intuitive interface make checking your metrics as easy as glancing at the time—no PhD in tech required.
- High-resolution optical heart rate sensor
- 24-hour heart rate monitoring
- Blood oxygen level monitoring
- Sleep tracking
- Activity tracking
- Bluetooth 5.2 connectivity
General specs
- Brand: ZaunWorld
- Model: Band 7
- Seller: Joom
- Connectivity: Bluetooth 5.2
- Sensors: Optical heart rate sensor, Blood oxygen sensor
- Monitoring Features: 24-hour heart rate monitoring, Sleep monitoring, Activity tracking
- First listed by seller: 8/24/25
If you are interested in more details, you can find full information on the seller's page.
Shipping options
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Brand | ZaunWorld | Bracelet Pendant & Necklace | 16Double8 | Wula Mall | Wula Mall | Honor |
Model | Band 7 | Band 7 | ZL54CJ | Band7 | ||
Color | ||||||
Rating |
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Price | $30.17 | $26.85 | $28.71 | $8.75 | $8.72 | $49.99 |
Seller | Joom | Joom | Joom | Joom | Joom | Gshopper |
Update | August 19, 2025 | August 20, 2025 | August 24, 2025 | August 15, 2025 | August 23, 2025 | July 25, 2024 |
Connectivity | Bluetooth 5.2 | Bluetooth 5.2 | Bluetooth | Bluetooth | Bluetooth | |
Sensors | Optical heart rate sensor, Blood oxygen sensor | Optical heart rate sensor, Blood oxygen monitor | Heart rate monitor, Blood pressure sensor, Oxygen saturation sensor | |||
Compatibility | Smartphones with Bluetooth | Smartphones | Android, iOS |
Jason W.
San Antonio, TX
September 6, 2025
Before I got this, I was just guessing about my health, relying on how I felt after a long shift at the hospital. Now, after using it for a couple of weeks, I can see my heart rate trends and sleep patterns right on my wrist—it's nudged me to take more breaks and walk a bit more. As a gift from my partner, it's been a nice surprise; I use it during concerts to make sure I'm not overdoing it with all the standing. Assembly is a breeze, no tech headaches here. It's not perfect, but for keeping tabs on things, it does the job well. 😊
- Pros: I quite liked how it keeps an eye on my ticker and breathing all day, and it tells me how I slept without any fuss. Syncing with my phone is a breeze, and the screen is clear as day, even for these old eyes. It's handy for checking my stats on the go, and delivery was quick.
- Cons: Could be wrong, but sometimes the heart readings seem a bit off when I'm just sitting still, and it doesn't always catch every step if I'm moving slow. The battery could last longer between charges, and I wish it had more ways to track my walks without needing my phone nearby.