"Wodong/我动手环" APP is an application which can automatically syncs Smart band data to phones and network, and to select Android phones without plugging in or pushing buttons. This gives user real-time access to sport stats on the Smart band dashboard throughout the day. "Wodong/我动手环" APP tracks user sleep time, help to improve your sleep quality. Share and Compete With Friends; make progress, win user wards for daily, weekly, monthly achievements.When Bluetooth connection between the band and the cell phone is disconnected, the app will play a short prompt tone in the background.