A cool USB gadget acts as both an optical mouse and a precise pocket scale. Simply plug it into the USB port and it is a nice assistant to computers. Another 2 x AAA battery, the hidden scale functions.

Features:

Integrated function of optical mouse and pocket scale
Plug and play, a nice assistant mouse to computers
Powered by 2 x AAA battery, a mini scale for you to weigh
Weights up to 500g, accurate in 0.1g, 4 units: g, oz, gn, ct
Also a nice hidden safe for cash & jewelery, etc
Product size: 120 x 64 x 36mm
Platform size: 58 x 39mm stainless steel
Product weight: 144g
Package size: 192 x 105 x 47mm
Package contains:
1 x USB Mouse Scale
2 x AAA Battery