myFirst Fone S3+

Little Wrist, Big World

The myFirst Fone S3+ is a versatile smartwatch for kids, featuring a 1.4-inch square screen and built-in eSIM technology, removing the need for a physical SIM card.

Step into a World of Fun with FreeSIM

Unlock unlimited data and free roaming with the myFirst FreeSIM plan, and enjoy 1 month of complimentary service.

Fun with FoneOS

A kid-friendly smartwatch operating system can provide a lot of benefits for both kids and parents. FoneOS is the premier operating system designed specifically for kids and families. With its advanced communication capabilities, robust GPS tracking, and cutting-edge parental control features, FoneOS provides a safe and enjoyable experience for kids and peace of mind for parents.

The Ultimate Kids’ Smartwatch Experience‚Äč

In addition, FoneOS includes a variety of fun and educational features that encourage kids to learn and play. Whether you’re a parent looking to keep your kids safe, or a kid looking for a fun and interactive smartwatch, FoneOS has you covered.

Group Chatting Made Easy

In addition to individual chats with parents or friends, the new S3+ watch now offers group chat functionality. Set up a family chat room for easy and convenient communication with your loved ones. Or bring all your closest friends together in one place for fun and engaging group chats. With the S3’s group chat feature, you can stay connected with your important people all in one place. Say goodbye to the hassle of juggling multiple chat rooms and hello to more meaningful conversations.

Personalized Watch Faces with Fun Animated Wallpapers

Comes equipped with a collection of lively animated wallpapers, and you can also customize your watch face with your own selfies or photos sent from friends in the chat room.

Improved Water Resistance with Advanced IPX8 Rating

The S3+ model elevates its water resistance capabilities, thanks to its eSIM technology. It boasts an IPX8 rating, ensuring enhanced and durable protection against water. This watch has undergone rigorous lab testing, achieving certification to withstand depths of up to 2 meters for a duration of one hour.

While it offers robust water resistance, it’s still advisable not to use it for showering or swimming.

Discover More Features

1.4 inch Screen

S3 features a vibrant and clear 1.4 inch IPS screen. This display technology provides a sharp and colorful viewing experience, making it easier for kids to read, navigate, and interact with their smartwatch.

1500 Songs On Your Wrist

S3 comes with an MP3 player and built-in loudspeaker that provides up to 10 hours playback time which is great for music or listening to audiobooks. Feel the joy of having 1500 songs on your wrist!


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

Get live updates from those closest to you. Using cellular networks, both the S3 and smartphone can converse in real-time through either voice or video calls.

Precise Location

Getting lost has never been this fun! S3 uses advanced GPS, WiFi and GSM to help parents accurately and conveniently track their kids.


Keep your child within 200m from the boundaries of your holiday home. Preset safety zones for your kids by highlighting geo-locations in the iOS or Android app.

One-Touch SOS

Send distress signals through an integrated SOS button. Once activated, parents will receive an emergency location alert with a 30s live recording of surrounding sounds.

Class Mode

With flexible customization on class mode, S3 can be silenced at a specified day or time to minimize distractions. All calls and message alerts will be silent upon activation and only SOS function can be used. A great feature to let kids stay focused on their school work or study.

Tech specs

1.4 inch IPS

2MP front camera

650 mAh

Working time:
6 hours

Standby time:
40 hours



SIM type:


App supports:
iOS 11.0 & Android 9.0 above