IREALIST Sound Activated Shutter Shades Glasses come with 6 LED, assorted light colors(green, blue, red).
Volume sensing technology automatically calibrates (concert volumes to conversation volumes).
Light Up Sound Activated glasses USB rechargeable lithium ion battery lasts up to 6-10 hours.
The sunglasses automatically adjust the audio sensor according to the volume of the surrounding environment.
Perfect for concerts, party, night clubs, music festivals, holiday parades, also great as a promotional gift!

Technical Details

Product Details

Package Dimensions
Width : 3.58 inch
Height : 1.89 inch
Length : 7.01 inch

Shipping Weight: 1.6 ounce (View shipping rates and policies)

ASIN : B01LW09WSD