... , Card, Lanyard, Necklac... Interface Type: USB 2.0 Encryption: Yes Brand Name: BIZKEY Model Number: K4 ... 7 work days Specificationsusb flash memroy 1.CE,RoHS,FCC,ISO 2.USB2.0/3.0 up to 8M/40M ... for write 3.encrypted and auto run 4.1 to 3 years warrantyMini Lanyard USB Flash ... CE, FCC, RoHS, ISO USB host interface USB2.0 & USB3.0 Operating system Windows 98, 2000, XP, Vista ...