There are 4 modes: quick flashing,slow flashing, long time lighting and turn off. The battery can replace and it can work for about 72 hours(CR2032).
LED lights provides 360 degree ultra-high visibility in dusk and night time activities. The brightness is much higher than the glow in the dark glow sticks. Reflective printing on the top provides extra security for runners, joggers, cyclists, those walking their dogs, kids.
You can accessorize for every event, party or special occasion with this LED bracelet.
Using excellent raw materials, the power consumption is lower.
Easy to install,convenient disassembly. 100% brand new and high quality.
Homyl Multifunction Running LED Armbands Reflective Gears Lighting Wrist Leg Band Light Up Bracelet - B07F2K8KLB