Calculator Mouse Pad with 4-Port USB hub

USB Powered Mouse Pad Calculator USB Hub all in one
Mouse Pad calculator with 4 port USB 2.0 hubs (one in, three out)
Built-in 4 USB ports can be connected with other computer accessories, such as keyboard, mouse, USB flash, MP3, etc.
Just plug into any USB port to operate. No need to clutter your desk with too many products. Give yourself more space with this mouse mat, hub, and calculator
Made of plastic material, it is lightweight and portable
Connect PC with this Computer USB Hub, the rim, screen, and calculator buttons will give out blue light, very charming
Set the ON/OFF switch to “OFF” position to turn off the calculator, and then the unit is used as a mouse pad
Powered By: 1 x AG13 Button Cell Battery or USB Port or DC 5V Adapter (Power Adapter not included)
Can be used both mouse pad and calculator
With blue mood, light/built-in LED light indicator
On/off setting for calculator, calculator can be operated without USB power
Support both full-speed (12Mbps) and low-speed (1.5Mbps), support USB2.0, support Windows 98/2000/ME/XP/2003/vista and Mac OS 8.5 or over version
Designed for slim and lightweight, easy to carry around with your laptop
Product Dimensions: 21.0 × 18.0 × 1.0CM (L*W*H)

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