Device Selection Guide
Make an informed decision between LTE smartwatches and compact smartphone setups, recognizing trade-offs in battery life, app compatibility, and audio quality.
K55 Sports Smartwatch: Bluetooth call functionality
Meet the K55 Sports Smartwatch—your new workout buddy that doesn’t just sit there looking pretty (though it does that too). Built for those who can’t sit still, it’s got a 350mAh battery that’ll keep up with you from dawn till... well, whenever you finally call it a day. And hey, with Bluetooth call functionality, you can chat away without digging your phone out of your gym bag—because who has time for that?
But it’s not all about staying connected. This watch is like having a personal trainer on your wrist, thanks to heart rate monitoring and fitness tracking that’s always on point. Plus, with an IP68 waterproof rating, it laughs in the face of sweat, rain, and even your occasional pool dive. Whether you’re team Android or iOS, it plays nice with your smartphone, keeping you in the loop with notifications and more. So, ready to step up your game?
Features
- Heart rate monitoring
- IP68 waterproof
- Fitness tracking
- Compatible with Android and iOS
- Bluetooth call functionality
General specs
- Model: K55
- Seller: Gshopper
- ID: XM2023122605
- Battery Capacity: 350mAh
- Waterproof Rating: IP68
- Compatibility: Android, iOS
- Features: Bluetooth Call, Heart Rate Monitoring, Fitness Tracking
- First listed by seller: 5/30/25
If you are interested in more details, you can find full information on the seller's page.
View on seller's site
#publicidad
$44.00
Last price update: 5/30/25
Available to order
Shipping options
Delivery to 
United States
United States
Available
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Sports Smartwatch Bluetooth call functionality
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| Brand | STECEi | BYBUKCKR | Shenzhen Buzz Tech CO.,LTD | JeeJTek | ||
| Model | K55 | C21 | S68 | ZL80 | S67 | TGW008 |
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| Rating |
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| Price | $44.00 | $49.99 | $13.99 | $16.99 | $69.99 | $24.99 |
| Seller | Gshopper | Gshopper | Amazon | Amazon | Amazon | Amazon |
| Update | Jul 25, 2024 | Jul 25, 2024 | Mar 11, 2026 | Mar 11, 2026 | Mar 11, 2026 | Mar 11, 2026 |
| Package Dimensions | 6.77 x 3.31 x 0.75 inches | 5.83 x 2.95 x 1.26 inches | 11.18 x 3.39 x 0.67 inches | |||
| Item Weight | 3.2 ounces | 0.12 Kilograms | 4.6 ounces | 3.52 ounces | ||
| batteries | 1 12V batteries required. (included) | 1 Lithium Ion batteries required. (included) | 1 Lithium Polymer batteries required. (included) | 1 Lithium Polymer batteries required. (included) | ||
| Standing Screen Display Size | 1.95 Inches | 2 Inches | 1.28 Inches | |||
| Country of Origin | China | China | China | China | ||
Sports Smartwatch Bluetooth call functionality
$44.00
When this device makes sense
Reviews
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Pearl
June 6, 2025
Abigail White
June 4, 2025
Knight
June 4, 2025
Angel
June 4, 2025