The size of the USB pen vase is 10. 4*8. 65*9. 15cm. Fashion message board function, with fluorescent message pen; 32. 0 USB computer junction box; support a variety of operating systems. Compatible with a variety of peripheral products: keyboard, mouse, modem, printers, scanners, cameras, digital cameras, MP3 Walkman, external hard disk, mobile phones and other digital products; Practical pen holder function.