brand new, high quality.

The revolutionary design of the Arc Mouse combines the comfort of a desktop mouse and the portability of a notebook mouse. Arc Mouse folds to 60% of its fully expanded size when you’re on the go.

mini receiver
Slip battery cover
Wide wheel
Move freely in 10 meter's area
Ergonomic battery cover design, easy to operate.

Specifications:
Operation Frequency: 2.4G-2.483GHZ ISM band
Resolution : 1600 dpi
Optical sensor: A5030(Avago)/PAN3240
Save power design,2*AAA alkaline batteries(not includ).

Blue LED indicator notes you the power is low
The electric power source will be cut off when the mouse was folden.
Number of Button/ Wheel: 3 button, 1 wheel.
Frame rate: 2300 frames/ second
Keystroke Lifetime: over 3 million times.
Wheel Lifetime: over 200 thousand rolls.
Operation TemperatureL 0-45 C

System Requirements
PC: Windows XP or Windows Vista TM, A USB port.

Manintosh:
Mac OS10.3.9 or above
A USB port.

bottom color is random(all same color or silver color)