... 2.Storage capacity at 128MB~8GB 3.5 years warranty promotional gift memory USB 2GB silicone wristband Detail information: 1.512MB,1GB ... power supply required,USB bus powered.11.Provide OEM service,logo printing,data preload,autorun,customized programming etc.12.Certification:CE ... SeaotherDelivery on time Packing with small white box,metal box,gift box,etc MOQ 100pcs