웨어러블 활동 추적기 시장은 최근 몇 년간 상당히 성장했으며, 예측들은 향후 웨어러블 활동 추적기의 판매가 증가할 것으로 예견한다.
The market of wearable activity trackers has grown considerably in recent years, and forecasts predict that sales of wearable activity trackers will increase in the future.