Fin Trends over the world and New era of smart rings starts here

Fin Trends over the world and New era of smart rings starts hereIts new era with smart rings , here the RHLvision Technologies Pvt.Ltd  introduces new gadget called fin  that you can wear on your thumb as a ring and it will make your whole palm as a gesture interface,Its waterproof tiny flexible sized device that may be a jewellery for the next generation , and with high battery efficiency of 1