Product description:

Calendar design environmental protection， instead of paper waste， as long as the adjustment once a month can be used repeatedly for ten thousand years; a calendar using simple， interesting. But it is not just a perpetual calendar， it is a four USB-HUB electronic products， each interface power up to 500MA; USB2.0，USB1.0/1.1 compatible， high speed of 480Mbps is very convenient and practical.

Product Name: DIY

Specification: 12*3*9.5cm

Color: Yellow / Green / Blue / Pink

Material: plastic

Packing: PVC box