The Bright Star LED Rechargeable Lighting System is portable and offers a number of headset viewing options. It features both an adjustable knob and cushioned head loupe for greater comfort and convenience. Featuring bright, direct LED light, dual pivot points, an on/off switch and rechargeable AA batteries, the headset is available alone or with 1.5 X, 2.0 X and 2.5 X range clip-on magnifiers. Also available is the Bright Star LED Clip-On, which attaches easily to eye and safety glasses. Light, comfortable and with a clip-on battery case, the Clip-On has a coated clip to prevent scratched lenses.