ESTG S81 Smart Watch Outdoor Sport Fitness Tracker: Bluetooth calling
The S81 Men Smart Watch is a fitness tracker, a communication hub, and a durable outdoor companion all strapped to your wrist. It's built for the active user who wants to ditch the phone without losing touch or data. With Bluetooth calling, take calls mid-run or hike—no fumbling for your device. Health features track heart rate, sleep, and steps, offering clear insights to keep your wellness on point. An integrated LED flashlight adds a dash of practicality for those dim evening jogs or sudden needs for light. Designed to endure the elements, it delivers reliable fitness metrics whether you're sweating it out or braving the trails. Set goals, monitor progress, and stay seamlessly connected—it's the tech-savvy upgrade for any dynamic lifestyle.
Features
- Health monitoring
- LED flashlight
- Outdoor sport design
- Fitness tracking
- Bluetooth calling
General specs
- Brand: ESTG
- Model: S81
- Seller: Joom
- ID: 689c575a32288b012fb45dea
- Connectivity: Bluetooth
- Display Type: LED
- Target Gender: Men
- Primary Use: Outdoor Sport, Fitness Tracking, Health Monitoring
- Special Features: Calling Function, Flashlight
- First listed by seller: 8/24/25
If you are interested in more details, you can find full information on the seller's page.
Price History for seller Joom
| Date | Price |
|---|---|
| 11/20/25 | $42.33 |
| 8/24/25 | $37.77 |
Shipping options
United States
Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
ESTG S81 Bluetooth calling
|
Fitness Tracker Smart Watch Bluetooth Call and Smart Notification
|
Sports Smart Watch BT Call functionality
|
HD Screen Bluetooth Smart Watch Bluetooth Call
|
Outdoor Smart Watch Bluetooth call
|
Sports Smartwatch Bluetooth call functionality
|
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| Brand | ESTG | AKUMAKA | ||||
| Model | S81 | C21 | ET570 | K55 | K55 | |
| Color | ||||||
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| Price | $42.33 | $19.99 | $49.99 | $25.97 | $42.99 | $44.00 |
| Seller | Joom | Amazon | Gshopper | Banggood | Gshopper | Gshopper |
| Update | November 20, 2025 | November 10, 2025 | July 25, 2024 | November 18, 2025 | July 25, 2024 | July 25, 2024 |
