The German engineering nachteule is a lightweight and compact reading light. With it's flexible ball and socket custom design, readers and workers alike can adjust the light's angle to their field of vision. The newest LED-technology in combination with a lithium battery provides up to 40 hours of light. Weighing only 8 grams, the nachteule clips to any pair of glasses without any difference in comfort. Perfect for reading in bed, on a plane, working dark spaces, or as a camping accessory. The pearl black case serves at its home when not being used. The ultimate goal: create a comfortable reading light that's functional, yet ergonomic!