Leather material Capacity: 128MB/512MB/1GB/2GB/4GB/8GB USB Port: USB 2.0 Version Read/Write Speed: 4 / 2 Mbps (min.) Voltage: 2.7V to 3.6V Material: Leather+Metal Item Meas.: 79x 32x14 mm Weight:: 28g Color: black/brown Optional Accessories Extra USB Cable, rope, key ring, Packing: Metal box, clamshells Warranty: 1 year OEM is warmly welcome