Brand: HP. Features of Product: USB 1.1 and 2.0 Compatible. Works with Windows 2000, Windows XP, Windows VISTA Mac OS 8.6 and higher, Linux kernel 2.4x. Write speed: up to 11MB/s (73x). Read speed: up to 33MB/sec (220x). Infinitely reusable without quality loss. 2 years warranty. USB 1.1 and 2.0. Key-ring Attachment: No. Password Protect: No. Preloaded Software: No. Product Depth: 1.2 cm. Product Height: 13.1 cm. Product Weight: 0.035. Product Weight Units: kg. Product Width: 10.5 cm. Storage Size: 4GB.