“These do 100% work, shipping was fast and everything was professionally packaged etc. One constructive crticism for the actual technonology is that it would be great to see them be more responsive, mine seemed to have to literally be on the nfc pad of a phone to flash constantly.”
“I added these in-between to layers of fake gel pink nails and now every time I pass through the subway check it glows. My friends live it, some of them want it too.”