652535 3.7v 580mah Li-polymer battery application: mouse, bluetooth headsets, smart watches, Tablet PC, mobile backup power, amplifiers, navigation systems (GPS), tachographs, toys, and other electronic devices. 

Battery advantage: Low self-discharge rate, built to last; No memory effect, long cycle life; Safe, stable,non-polluting; Built-in PCM, prevents the battery from overcharging/discharging, over the current, and short circuit