usb 3.0 flash drive 128gb elegant pendrive 64gb memory stick storage disk 32gb with key ring for computer u81

features: 1. metal case. 2. small size, very portable. 3. usb 3.0 port design. 4. convenient to take, easy to use. 5. using domestic udp technology. safe. waterproof and shockproof. take out and dry immediately after dropping into the water. 6.instantly expand device capacity. plug and play. easily solve the memory shortage problem. 7.effectively save file transfer time and greatly increase work efficiency. 8.supports external storage extensions, for all computers and most tv, car, and loudspeaker box.