Full bamboo carbonization color, to switch off automatically without operation for 12 minutes.
There are 18 keys in this bamboo calculator, using solar panel bamboo calculator and button batteries to supply the power

Technical Details

Product Details

Package Dimensions
Width : 4 inch
Height : 1 inch
Length : 7.2 inch

Shipping Weight: 0 ounce (View shipping rates and policies)

ASIN : B008YH0LSW