1:LOGO Printing ; 2:5 years warranty; 3:Certificate:CE,ROHS, ... -play,no external power supply required.Porvide OEM service,logo printing,data perload,customized programming etc.(1)Make the ... logo on the products as the customer's design;(2) ... , read/writeShock Resistance1000GData Retention10 Year MinimumWarranty5 Year Warranty OEM LOGO USB flash drive