Come and Check Our Promo Solutions.Made of high quality USB chip, 8GB USB Flash Drive,durable, small and light.No need to install other software, just plug the Invisible portable flash drive into your USB port to get it work, it support windows 7/8/10/Vista/XP/2000/ME/NT Linux and Mac OS, compatible with USB2.0 and below.The price is 8Gb, we also have 4,16,32,64GB,the price is different. Pls check inventory and detailed info with us before placing your orders.