USB Pencil Sharpner

USB This, USB That, USBx, USBy........the list is growing and this is getting weird day by day and one recent example is USB Pencil Sharpner. I really don't understand the purpose but it's definitely fun. This connects to USB and flashing light shows that your pencil is actually sharpened.
Specifications :
USB powered for office/home user.
Shinning flash LED shows in process.
USB powered with low power consumption.
No software/drive needed for installation.
Tray can be removed for easy cleaning.
Size : 80 x 70 x 76 mm
Weight : 156 gm

Costs $17