GlowSpecs Glowing El Wire Party Rave Glasses 3 Modes to select from - Constant Light, Blinking, Sound Activated Blinking Battery pack uses 2AAA batteries (not included), giving you 8-12 hours of light! Black frames with clear lenses will not distort vision at night Battery pack with 4ft cord can be stored in your pocket or clipped to shorts These are the GlowSpecs brand and have the GlowSpecs logo on the side