Small and mini, built-in rechargeable lithium battery, the head is a USB plug, easy to charge, recycling, small size, light weight, can be carried around, convenient for night use.
Instructions for use:
1-About the battery: Please do not completely deplete the power, easy to damage the battery, when the power is low, please charge in time.
2-About the switch: rotate the head to turn on the light.
3-About charging: the head is a USB plug, you can link in your phone charger or laptop, or mobile power.