F300 Smart Watch: ECG monitoring
Meet the F300 Smart Watch—your new go-to for staying on top of your health and keeping in the loop without missing a beat. It's got a crisp 2.1-inch IPS LCD screen with a 280x320 resolution that makes everything pop, thanks to its high color gamut. And with Bluetooth 5.3, it's like your watch and phone are best friends. Plus, the polymer lithium-ion battery is a champ, lasting up to 12 days on a single charge (because who has time to charge their watch every other day?).
But here's where it gets really cool: this watch is like having a mini health lab on your wrist. It can do ECG and blood composition analysis (think uric acid and blood lipids), check your blood sugar without any needles (yes, really), track your sleep like a sleep scientist, and keep an eye on your stress and heart rate. Because let's face it, we could all use a little more peace of mind.
And for those who love to move, it's got you covered with 52 sports modes (because sometimes running just doesn't cut it). Stay connected with call and message notifications, snap pics from afar, control your tunes, and it even speaks your language—36 in the app and 8 right on the watch. Talk about being worldly.
Just a heads-up: while it's packed with features, it's not a medical device. So take those results with a grain of salt and always consult a pro for medical advice.
Features
- Blood composition analysis
- Body composition tracking
- SOS emergency call
- HRV report
- ECG monitoring
General specs
- Model: F300
- Seller: Sunsky
- ID: 3351641
- Screen: 2.1-inch, IPS LCD, 280x320 resolution
- Battery: 260 mAh, 10-12 days regular use, 5-7 days with all-day monitoring
- Connectivity: Bluetooth 5.3
- Waterproof: IP67
- Sensors: STK8321-W (Gsencor), VP556EP (Heart rate)
- First listed by seller: 5/26/25
If you are interested in more details, you can find full information on the seller's page.
Price History for seller Sunsky
| Date | Price |
|---|---|
| 6/22/25 | $28.86 |
| 5/26/25 | $28.05 |
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| Brand | zakotu | Jacoosa | aycy | TORJALPH | Tensky | |
| Model | F300 | L70 | P114 | T46 | 38a18813-be86-462e-a4d5-e710042ffc4c | |
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| Price | $28.86 | $29.99 | $19.99 | $19.99 | $20.99 | $48.99 |
| Seller | Sunsky | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | Jun 21, 2025 | Jun 27, 2025 | Dec 6, 2025 | Nov 20, 2025 | Dec 6, 2025 | Dec 6, 2025 |
| Package Dimensions | 6.81 x 3.31 x 0.75 inches | 6.46 x 3.39 x 0.75 inches | 11.34 x 3.74 x 0.75 inches | |||
| Item Weight | 2.89 ounces | 3.2 ounces | 2.39 ounces | 6.4 ounces | ||
| batteries | 1 A batteries required. (included) | 1 A batteries required. (included) | 1 C batteries required. (included) | 1 Nonstandard Battery batteries required. (included) | ||
| Standing Screen Display Size | 1.96 Inches | 1.85 Inches | 1.69 Inches | 1.85 Inches | ||
| Memory Storage Capacity | 128 MB | 128 MB | 512 MB | |||