Bicycle Wheel Lights Strip dress Large-capacity lithium battery with USB

Large-capacity lithium battery with USB universal interface

on/off switch and battery box (takes 4 AA batteries)

Helium is inert gas

Very good elasticity

teenager or child

Bicycle Wheel Lights Strip dress Large-capacity lithium battery with USBFEATURES BE SAFE! Gain increased visibility from all directions so you and your loved ones are safer in low light conditions. Normal bike lights can only be seen from the front and back, leaving you vulnerable from the sides. Your bike will STAND OUT from all angles, whether you are moving or not. UNIVERSAL! These super cool LED bicycle rim lights fit more bikes than any other modelfrom 12 toddler bikes all the way up to 29 adult bicycles. NO TOOLS