Classification Information
Audio speakers; earphones; headphones; earbuds; wireless audio speakers; wireless indoor audio speakers; wireless outdoor audio speakers; wireless earbuds with heartrate monitor; portable battery chargers; multifunctional electronic devices in the nature of personal fitness trackers for displaying, measuring, and uploading to the Internet or a mobile application information including time, distance, steps taken, activity level, calories burned, and tracking of players on a playing field
Electrical and Scientific Apparatus