Come and see our amazing products. Hot sale smartphone OTG USB flash drive. Compatible with phones and computers. Featured as USB2.0 (compatible with 1.1), hotplug, USB power & no external power required. Your logo could be well printed or laser engraved on the surface of this OTG USB flash drive to advertise your brand. Please contact factory to confirm pricing when placing the order, due to fluctuations in the memory chip market prices. With a type of 1G, 2G, 4G, 8G, 16G, 32G, 64G, 128G Pls confirm further with us if any query about packing info, inventory status and time schedule.