Based on BLE development, the function extension of traditional watches, through BLE to achieve sports statistics, calorie consumption, sleep quality data monitoring, to understand their own sports and sleep, is a must-have product for sports people.
9Apps 4.9
![국세청 홈택스 [손택스] on 9Apps](https://go.getnew.app/sg/res/jpg/f7/df/69cc2f90120ec331db2630e0f5b6-6dh.jpg?x-oss-process=style/jmq200)
