THE ULTIMATE ALL-IN-ONE VISIBILITY VEST! FEATURING 360Adeg LED ILLUMINATION AND REFLECTIVITY IN A FRAME WEIGHING UNDER 3OZ., THIS VEST IS A MUST HAVE FOR LOW-LIGHT ADVENTURES.Minimalist featherlight Xinglet Optic Beam(TM) vest design weighs under 3oz.Ultrabright bioluminescent jellyfish inspired 360Adeg LED illumination technologyEntirely reflective Xinglet(TM) front and back visibility booster zones, and adjustable side reflective boostersFully size adjustable, moisture resistant designHook and loop closure for easy on/offUSB rechargeable (charging cable included), no batteries to replace!Solid and 2 flashing modes with easy push button on/offRun Time: 6 hrs. flash/ 3 hrs. solidModes: Quick Flash, Slow Flash, SolidBattery: Rechargeable