greentiger LT21 Kids GPS 4G Smartwatch: GPS tracking
Available Options
Ever wish you could keep tabs on your kiddo without being that helicopter parent? Meet the Kids GPS 4G Smartwatch—your new best friend in child safety. It’s not just a watch; it’s a peace-of-mind machine. Thanks to GPS tracking, you’ll always know where your little adventurer is (even if they’re just at the neighbor’s house for the fifth time this week). And with 4G connectivity plus Wi-Fi support, staying in touch is a breeze—no more "I didn’t hear my phone" excuses. Plus, its waterproof design means it can survive everything from rainstorms to accidental juice spills.
But wait, there’s more (because why stop at awesome?):
- Video calling? Check. Because sometimes a text just doesn’t cut it when they’re showing off their latest art project.
- Callback monitoring adds an extra layer of security—because you can never be too careful.
- And yes, it plays nice with both Android and iOS devices. No favoritism here.
- 4G connectivity
- Wi-Fi support
- Waterproof design
- Video calling
- Callback monitoring
- GPS tracking
General specs
- Brand: greentiger
- Model: LT21
- Seller: Joom
- Connectivity: 4G, Wi-Fi
- Compatibility: Android, iOS
- Waterproof: Yes
- Features: GPS tracking, Video calling, Callback monitoring
- First listed by seller: 5/23/25
If you are interested in more details, you can find full information on the seller's page.
Shipping options
United States
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greentiger LT21 GPS tracking
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greentiger smart watch 4G connectivity
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greentiger Asia version 4G connectivity
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ESSAGER LT21 Black 4G connectivity
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| Brand | greentiger | greentiger | greentiger | greentiger | greentiger | ESSAGER |
| Model | LT21 | smart watch | smart watch | Asia version | smart watch | LT21 |
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| Rating |
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| Price | $78.29 | $70.07 | $60.00 | $59.27 | $23.86 | $74.92 |
| Seller | Joom | Joom | Joom | Joom | Joom | Joom |
| Update | August 8, 2025 | August 8, 2025 | August 8, 2025 | August 8, 2025 | August 8, 2025 | August 27, 2025 |
| Connectivity | 4G, Wi-Fi | 4G | 4G | 4G, Wi-Fi | SIM card | 4G, Wi-Fi |
| Features | GPS tracking, Video calling, Callback monitoring | GPS tracking, SOS emergency call, HD video call, Waterproof | GPS, SOS button, Video calling, Flashlight, Alarm clock, Camera | GPS tracker, Video calling, SOS button, Waterproof camera, Voice chat | ||
Kids GPS 4G Smartwatch
Alexa T.
Atlanta, GA
June 2, 2025
As an older lady with no kids of my own but a big heart for family, I bought this to help keep my grandniece safe, and WOW it does the job. I can check on her location easily, which gives me peace of mind, and the video feature is just darling—she loves showing me her drawings. Compared to other things in the same price range, it feels sturdy and reliable, though I wish it were simpler to use right out of the box. Overall, it's a great little device that makes me feel connected and less worried, even if I have to charge it often. I'd recommend it to any family looking for a way to stay close :)
- Pros: I got this for my grandniece and it's incredibly reassuring to always know where she is without hovering, the video calls are a sweet way to see her face when she's excited about something, and it works well with my phone which is a relief since I'm not tech-savvy, plus it handles spills and rain like a champ :)
- Cons: From what I feel, it can be a bit tricky to set up at first for someone like me who's new to gadgets, and the battery doesn't last as long as I'd hoped, needing frequent charges that are a bit of a hassle, but for the price, it's not a deal-breaker.