Solar Light 3.7v4000mah lithium battery

1> Material: ABS 

2> Battery: 3.7v3600mah lithium battery

3> Led power: 32pcs SMD LED light

4> Function: USB mobile phone charging function, reading, emergency lighting and camping light

5> Adjustable light switch

6> Product size: 180*95*95mm

7> Working time is 4-10 hours, charging time is 4-6 hours