Metal square USB, Stainless steel USB

TECHNICAL SPECIFICATIONS

* USB2.0, writing speed:5-10Mb/s, reading speed:15-20Mb/S

*USB3.0, writing speed:20-40Mb/s, reading speed:80-100Mb/S
* Capacities:USB2.0, 64MB,128MB,1GB,2GB,4GB,8GB,16GB, 32GB,64GB,128GB

* Capacities:USB3.0, 8GB, 16GB, 32GB,64GB,128GB,256GB,
* Warranty: 2 years