What type of battery does the BLUE Lite device have and what is the life expectancy of the battery?

Specs

Details

Lithium Ion

Rechargeable Battery

1000 mAh

Nominal Capacity

3.7V

Nominal Voltage

4.2V

Charge Limit Capacity

-20°C ~ 60~C or -4°F ~ 140°F

Operational Temperature

3 Years

Life Cycle