The adjustable design of the Fronfit K1 kid’s activity watch wristband makes it suitable for boys and girls age 5 to 16. The activity watch with a replacement band. So you don’t worry about damage or losing, The design is built to fit safely and comfortably.


0.96-inch IPS Color Screen: No bulky but slim one and wears it kind of loosely. With IP67 waterproof capacity, free to wear it for washing hands, take a shower, and some water sports. With so many functions, choosing one of the best kids’ activity trackers or activity watches for your needs can be tricky. We put dozens of Fronfit K1 product tests. Find the highlights that are most helpful to you. You might as well continue reading…


Support functions of a stopwatch, when kids do running, swimming, and other sports, for more accurate measurement of exercise time.

Heart Rate Monitor

Turn on the automatic detection of heart rate in the app, can automatically track 24 real-time heart rate. Check heart rate at any time, and keep the heart-healthy.

Message Alert

The Fronfit K1 kid’s activity watch supports phone calls reminding, SMS, and SNS notifications (Facebook, WhatsApp, LinkedIn, Instagram, and Twitter, etc). It can be set in the APP.

USB Charging Mode

Cordless USB charging mode, easy and convenient to charge. Long battery life lasting for 5-7days with full charging. This Fronfit K1 watch is a built-in USB charger, no cable needed, do not worry about losing the charging cable.

Sleep Monitor

Scientific track kids sleeping circle and show whole sleep period with deep/light sleep, Wake-up and REM, etc. Sleep quality helps them grow up healthily.


A great way to establish and sustain a healthy lifestyle is by setting fitness goals. And keeping track of your progress towards achieving them. When children develop healthy habits while they’re young. They are more likely to maintain these habits throughout their life. One of the best ways to do that is with a Fronfit kids activity watch from K1! With customizable step and active minute goals, Fronfit gets kids skipping, jumping, and moving their way to a healthier lifestyle.


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