The rechargeable version of the Cosmo 350, the Cosmo 350-R headlamp delivers 350 lumens of power and features an ultra-compact waterproof housing, making it perfect for urban outings and nighttime adventures in the woods. Equipped with a new compact optical assembly, the Cosmo is more ergonomic and better balanced on the head. It also features an updated user interface that includes a second switch for easier lighting mode selection. The Cosmo 350-R is powered by the rechargeable BD 1500 Li-ion battery with micro-USB charging capability. It also features a durable elastic headband made from recycled Repreve textiles. The updated reflector provides increased output while conserving battery life. Thanks to its fully sealed waterproof construction, the Cosmo delivers reliable illumination in harsh weather, whether you’re biking home in the rain or arriving at base camp during an unexpected downpour.