Tinydeal LED Finger Light

LED Finger Light
With ultra bright LED light
Each Finger Beams has their own single color
Elastic finger straps easily and comfortably fit all fingers, pens, pencils, tools, etc
Simply need to turn on the switch and wave your hand
Shows your cool style on the dance floor
Ideal for parties, clubs, bars, disco and performing arts lane, etc

Link: http://www.tinydeal.com/4-pcs-laser-mini-finger-light-beam-ring-with-led-p-3387.html