USB RECHARGEABLE: You don't have to buy batteries, just charge fully from any USB port, and the micro USB charging cable is included. But this headlight also support to use 3 AAA batteries.
SUPER BRIGHT: This headlamp flashlight delivers a powerful beam of 200 lumens and 50 meters distance.
SUPER LONG BATTERY LIFE: Powered by included Lithium battery pack, its runtime is up to 72 hours on low,4 hours on medium, 1.5 hours on high mode.
COMFORTABLE TO WEAR: Weight only 1.65 oz (with Lithium battery pack), it is a ideal headlight widely used for running, camping, fishing, hiking, backpacking, hunting, cycling or cleaning out cabinets and closets. The removable, washable, and adjustable headband comfortably fits both adults and children.
EASY TO USE: Adjust the Beam Angle up to 60 degrees with an easy up or down movement. The headlight will stay on the last mode with memory function.