Product name: LED fiber optic backpack
Color: black, white
Luminous color: RGB colorful discoloration
Light emitting mode: 11 types
Battery type: polymer lithium battery
Voltage and current: 5V / 1A
Battery specifications: 602040
Battery capacity: 45mAh
Charging time: 4h
Life time: 10h
Packing: zipper bag
Design