Product name: HXSJ folding wireless mouse
Color: Grey,
Power supply: 2 x AAA battery (batteries not included)
Operating Frequency: 2.4GH z
Operating range: 30-foot range Number of
Button / Wheel: 3 button, 1 wheel.
Compatible with: Windows XP / Vista / Windows 7, Mac OS X v 10.2 - 10.5
Dimension: 110 * 60 * 30mm
Net weight: 57g
Package weight: 83g
Package size: 138 * 138 * 68mm
Package included: 1 * Wireless Arc mouse 1 * USB adapter