Wireless Bluetooth V4.0 Smart TPU Wrist Band w/ Call Remind / Idle Vibration / Alarm Clock - Black
Acticity mode: In this mode the band will record daily activities including steps distance calories and acticity time. Exercise mode: In this mode the band will record exercise information of a specific period. Nap mode: In this mode the band will calclulate the most proper nap duration and Awake time. Sleep mode: In this mode the band will monitor sleep quality and calculate duration. Bluetooth mode: In this mode the band synchronizes with the cell phone APP