COB high brightness LED bicycle tail light
Used for cycling safety in the evening or morning， even in bad weather
3 brightness modes: High - low - strobe
USB rechargeable， built-in lithium polymer battery (3.7V， 500mAh)
3 light colors: White (black shell)， red (red shell)， blue (blue shell)
Equipped with a rubber binding， suitable for 22-31.8mm handlebar