2L Motivational Water Bottle Color:Purple you can charge this headlamp

you can charge this headlamp via the USB cable

but it also is reusable many times over

and may not work on cloudy days

travel and camping etc

2L Motivational Water Bottle Color:Purple you can charge this headlampDescription: Portable Carry And Leakproof: Clamshell design, can be opened with one hand at the click of a button. The high quality sealing silicone ring ensures that the water cup is dust proof and leak proof and has good air tightness. One piece handle design, sturdy and not easy to break, easy to carry. Motivational Quote And Time Marker: 2L water bottle has a unique time stamp and inspirational quotes to provide powerful fitness motivation.