... with Searching Alarm ,Anti-Lost,Anti-theft functionUnique external battery case can alarm with vibrating Environmental protection function: No ... ,anti-discharge protection2 in1 design,works as both an external battery and a protection caseCamera position,earphone jack,voice ... 5V Input/Output Current: 1000mAh Cell type: lithium-polymer battery Cycle life: 500times Operating Temperature: -10-+45°C DC ...