Nikktech tried the Thinksound USP1 Monitor Series In-Ear Headphones
A quote from the article:
The USP1 Monitor Series In-Ear Headphones by thinksound are not only their very first to feature metal alloy housings but they also offer superb audio reproduction thanks to their brand new fine-tuned 8mm dynamic drivers.Thinksound USP1 Monitor Series In-Ear Headphones Review @ NikKTech