Trender USB 2.0 & Micro USB Rotatable Portable Memory Stick Pen Thumb U Disk 4GB Blue Capacities: 4GB, 8GB, 16GB, 32GB Suitable For Smartphone & Computer, Convenient To Carry, Easy To Read And Write In High Speed, Support Plug-And-Play Function High-Tech Electronic USB Storage Device, Good Choice For Students & Office Clerk Etc. Within 2 Days Dispatch,Direct & Prompt Shipment