- This removable storage medium allows data to be written and erased as many times as is required ,- With a snap hook for easy and secure attachment to a bunch of keys, briefcase, purse, etc. ,- Integrated hook for attaching the pen to a bunch of keys, briefcase, purse, etc. ,- USB stick with a light-coloured metallic casing and a red cap ,- This original design is exclusively available from Hama ,- Fast removable storage medium ,- Suitable for terminal devices with a USB interface , ,System Requirements: ,- Operating system: Windows 10/8/7/Vista/XP and MacOS 9.x or higher , ,Note for Consumers: ,You will find the operating instructions for the Hook-Style USB flash drive at www.hama.com under item number 00123919.