Product information: Data transfer rate: 10/20 (MB/s) Maximum read speed: 20 (MB/s) Maximum write speed: 10 (MB/s) Port: USB 2.0 Case material: metal Capacity: 4 gb, 8 gb, 16 gb, 32 gb and 64 gb and 128 gb Packing list: 1*Bottle opener USB flash drive
