myFirst Fone S3
4G Kids Smart Watch with Integrated myFirst Circle
myFirst Fone S3 is a 4G Smart Watch specifically designed for children from age 3 - 12 years old. With a 1.4 inch square screen and a refined design, it comes with heart rate monitoring and a step tracking feature to help kids meet their daily fitness goals.
The FoneOS on the watch allows children to easily stay in touch with family and friends, and enjoy features like messaging and calls, music playback, 2MP camera, GPS tracking and fitness tracking all in one device, making it one of the coolest smartwatch for kids on the market.
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*This model is only compatible in Asia, Europe, and the Middle East region.
** NOT compatible in North American (United States, Mexico, Canada, Guatemala, Cuba, Haiti, Dominican Republic, Honduras, Nicaragua, El Salvador). The production of the model for the North American region will be on hold until further notice.
myFirst Fone S3
4G Slim WatchPhone With Integrated myFirst Circle




Model | myFirst Fone S3 |
---|---|
Wrist Diameter | 85-145mm |
Net Weight | 52.8g, 1.86oz |
Display | 1.4 inch TFT square screen with capacitive touch |
Standby Time | 1 - 2 Days |
System | Android 8.1 |
Storage | 8GB storage + 1GB RAM |
Camera | 2MP Front Camera |
Battery Capacity | 650mAh |
SIM Card | NANO SIM card |
Positioning | GPS, WiFi, LBS, GLONASS |
Water Resistance | IPX8 2M (Splash Proof) |
Support Languages | English
Chinese (Simplified) Chinese (Traditional) Japanese Korean Svenska Norsk Suomi Dansk |

4G LTE Smart Watchphone
It’s the best time for all the kids to enter the 4G world. With 4G LTE, myFirst Fone S3 empowers your kids with the freedom of cellular.
Experience faster and smoother performance for all of their favourite fitness, health and productivity features on this smart watch for kids.
Real-Time Communication
Communicate with your children using high-speed 4G cellular networks.
Both the myFirst Fone S3 and smartphone can converse in real-time through either voice or video calls.


New & Upgraded Operating System
FoneOS now allows your children to access the myFirst Circle app using their watchphone to Stay Connected with friends & families. Upgrade your watch firmware today and enjoy new and more advanced features with myFirst Fone!
* Compatible with myFirst Fone S3, R1 & R1s only
Learn More about FoneOS
4G LTE Smart Watchphone
It’s the best time for all the kids to enter the 4G world. With 4G LTE, myFirst Fone S3 empowers your kids with the freedom of cellular.
Experience faster and smoother performance for all of their favourite fitness, health and productivity features on this smart watch for kids.

Real-Time Communication
Communicate with your children using high-speed 4G cellular networks. Both the myFirst Fone S3 and smartphone can converse in real-time through either voice or video calls.

Precise Location
myFirst Fone S3 uses advanced GPS, WiFi and GSM to help parents accurately and conveniently track their kids. Your child's travel history will be recorded at each set time.
Heart Rate Monitoring With High Heart Rate Alert
Monitor your child's activity with myFirst Fone S3's PPG (Photoplethysmography) Heart Rate Monitoring. Parents can set the high heart rate alert in the myFirst Circle App and once the watch detected the kid is running it will auto-detect the heart rate and will alert the user to slow down if exceeded the beats per minute set up by parents.


Precise Location
myFirst Fone S3 uses advanced GPS, WiFi and GSM to help parents accurately and conveniently track their kids. Your child's travel history will be recorded at each set time.

Heart Rate Monitoring
With High Heart Rate Alert
Monitor your child's activity with myFirst Fone S3's PPG (Photoplethysmography) Heart Rate Monitoring.
Parents can set the high heart rate alert in the myFirst Circle App and once the Fone S3 detected the kid is running it will auto-detect the heart rate and will alert the user to slow down if exceeded the beats per minute set up by parents.

Fitness Goals & Motivation
The activity tracker shows your achievement and encourages the young one to achieve their daily target. Each goals achieved are rewarded with unique badges. Be active and healthy while having lots of fun!
Customizable Watch Face
Have fun with a selection of new animated wallpapers! You can also customize the watch face with selfies or photos sent from others in the chat room.


Fitness Goals & Motivation
The activity tracker shows your achievement and encourages the young one to achieve their daily target. Each goals achieved are rewarded with unique badges. Be active and healthy while having lots of fun!

Customizable Watch Face
Have fun with a selection of new animated wallpapers! You can also customize the watch face with selfies or photos sent from others in the chat room.
myFirst Fone S3 Gallery
Product Certifications

CE mark
The product meet safety standard conditions (conditions for protecting the health and safety of users and consumers and ensuring common interests) when exporting products to EU member states.

FCC certification
This certification certifies that the safety standards required for exporting wireless equipment and information processing technology equipment to North America (USA, Canada) are met.

JATE mark
Technical standard conformity certification and design certification of telecommunications terminal equipment
210-152231

TELEC mark
Certification of conformity with technical standards for specified radio equipment and construction design certification
AD 20 0018 210