The Black Diamond Cosmo 350-R headlamp is the perfect solution for those seeking a reliable light source during camping, household tasks, or outdoor activities. Thanks to easily accessible rechargeable power and the ability to fully charge before the trip, this headlamp will surely satisfy every expedition enthusiast. Cosmo 350-R features a built-in 1500 mAh Li-ion battery and a micro-USB charging port. The headlamp emits a maximum power of 350 lumens , and its elastic band is made of skin-friendly, flexible Repreve fibers . Available functions include dimming, strobe mode, red LEDs for night vision, and a lock to prevent accidental activation. Multi-faceted optical lens technology ensures excellent efficiency and good light focus.