Global Fitness Tracker Market, By Age Group (Adult's Fitness Tracker, Children’s Fitness Tracker), By Product Type (Activity Monitors, Smart Watches, Smart Clothing), By Wearing Type (Handwear, Legwear, Headwear and Others (Torsowear, Clothwear etc.)), By Sales Channel (Online Sales, Retail Sales), By Application (Heart Rate Tracking, Sleep Measurement Tracking, Glucose Measurement Tracking, Sports, Running, Cycling Tracking), By End-users (Sports, Hospitals and diagnosis center, Others) - Forecast 2023