Rate of Read is from 15 MB/s and Rate of Write is from 5 MB/s Hi-Speed Standard Type A USB (USB 2.0) and Micro-B USB 2.0 Shock resistant and robust cap design Universal Serial Bus 1.1, 2.0 and 3.0 compatible (USB – PC), (microB – OTG supported gadget) Micro-B USB compatible with all OTG supported devices http://www.amazon.in/Strontium-Nitro-32GB-USB-Drive/dp/B00IF2NVC4