Super Long-Lasting & 4 Lighting ModesThis running light uses both LED and COB light sources, delivering up to 13 hours of use in LED Spot Low Mode, 7.5 hours in Medium Mode, 4.5 hours in High Mode, and 3.5 hours in COB Flood Mode. The LED spotlight delivers focused, long-distance illumination with a maximum brightness of 150 lumens, while the COB floodlight provides a wider beamideal for running at night with enhanced visibility Fast Charging & CordlessEquipped with an integrated USB plug at the rear, this clip-on flashlight charges directly via any USB-A portno cable needed. Just plug it into your laptop, power adapter, or other USB outlet and it fully charges in just 1.52 hours. This running lights for runners feature a built-in rechargeable battery, so you wont have to keep buying replacements. While charging, the indicator light shows red; when fully charged, it turns green, so youll always know when its readyespecially handy during power outages