ESTG KC91 Smart Watch: 530 mAh battery
Let me tell you about the KC91 Smart Watch — because, honestly, it’s like having a tiny, hyper-competent assistant strapped to your wrist. This thing doesn’t just tell time; it’s got a 530 mAh battery that laughs in the face of your all-day binge-watching sessions (okay, maybe not, but it lasts impressively long). Need light? Boom, LED flashlight. Lost in the woods? The built-in compass and altitude measurement have your back. And for those who geek out over weather patterns, the atmospheric pressure sensor is like having your own mini meteorologist. Oh, and it lets you take calls via Bluetooth, because apparently, we’re living in the future. Plus, it’s got a fitness tracker to guilt-trip you into moving more. Whether you’re scaling mountains or just scaling your inbox, the KC91 is the overachiever of smartwatches.
Features
- LED flashlight
- Compass
- Altitude measurement
- Atmospheric pressure sensor
- Bluetooth calling
- Fitness tracker
- 530 mAh battery
General specs
- Brand: ESTG
- Model: KC91
- Seller: Joom
- ID: 68864f3f2028e501661b3e0e
- Battery Capacity: 530 mAh
- Features: LED flashlight, Compass, Altitude measurement, Atmospheric pressure sensor, Bluetooth calling, Fitness tracker
- First listed by seller: 8/7/25
If you are interested in more details, you can find full information on the seller's page.
View on seller's site
#publicidad
$52.23
Last price update: 11/15/25
Out of stock
Price History for seller Joom
| Date | Price |
|---|---|
| 11/15/25 | $52.23 |
| 8/7/25 | $48.21 |
Shipping options
Delivery to 
Russia
Russia
Available
Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
ESTG KC91 Black 530 mAh battery
|
ESTG KC89 LED flashlight for visibility
|
Men's Smart Fitness Tracker Watch Black Physical health examination
|
ESTG SK45 Pro Bluetooth calling functionality
|
Smart Health Monitoring Watch 1.43-inch AMOLED Display
|
Smartwatch for Active Lifestyle 300 mAh battery
|
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| Brand | ESTG | ESTG | PRISMA | ESTG | Tiktop2 | |
| Model | KC91 | KC89 | SK45 Pro | ET480 | ||
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| Price | $52.23 | $42.42 | $46.48 | $47.39 | $50.69 | $53.50 |
| Seller | Joom | Joom | Joom | Joom | Banggood | Joom |
| Update | November 18, 2025 | December 8, 2025 | December 8, 2025 | December 8, 2025 | December 9, 2025 | December 8, 2025 |
| Battery Capacity | 530 mAh | 300mAh | 300 mAh | |||
| Connectivity | Bluetooth | Bluetooth, NFC | Bluetooth | |||
| Target Gender | Men | Men | Men's | |||
Smart Watch
$52.23
Reviews
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