【實用健康app】JBand|最夯免費app-綠色工廠好玩App

JBand smarter activity and sleep tracker. JBand is a sports system,we can use the Bluetooth to connect smart devices and iPhone APP. Track your daily activity just like your steps, distance, calories burned and then reminds you to move when you're been inactive. Track how much and how well you sleep and silently wakes you at the ideal time.