Specifications

2.0 Hub LED Calculator Mouse Pad
4 Ports USB Cablecalculator hub mouse pad
multifuntion mouse pad
ABS material
CE if need

   2.0 Hub LED Calculator Mouse Pad Computer PC Desktop Laptop 4 Ports USB Cable

Descriptions:
Product Thickness: 7MM
Battery Type: 1pcs AG13 (Pre-install)
Power Adapter: DC 5V 
Color: Black 
Material: Plastic 
Patent NO.: 200730173897.9

 

Functions:
1.4 Ports 2.0 USB HUB(one in,three out)
2.10-Digital Arithmetic
3.Memory Calculation: M+,M-,MRC
4.As Mouse Pad
5.LED Light: Blue

 

Use:Set the ON/OFF switch to turn on/turn off the calculator.