As featured on OpenSea:

This is the perfect mask for a sly fox. If you’re a meta fan this won’t strain your wallet. Flashing LED Blinkee Pin Constructed of printed circuit board silkscreened with nano-led ink. No battery required. Blinkee NFTs now use ether energy to illuminate! Won’t fall off or damage your clothing. Blinkee NFT pins use bio-magnetic clasp and are tuned to the body of the wearer.