⚡Hot 2.4 GHz Wireless Optical Mouse with Built-in USB 2.0 Receiver for PC Laptop
Features:
1.2.4GHz wireless mouse, optical technology.
-Receiver hidden in the bottom of the mouse. Built-in energy saving system.
-Ergonomically designed, comfort grip.
-Plug and play, no extra software or set up needed; good compatibility
-Ergonomics design, comfortable hand feeling, reduce fatigue.

Descriptions:
-It is compact, ergonomic , fashion design and well-constructed.
-System Compatibility: for Windows 98 / ME / NT / 2000 / XP / for Vista / for Win 7 / for Linux or for Mac OS.

Specifications:
Size:105 x 69 x 36mm
Color: Black
Tracking Method: Optical
Number of Rollers: 1
Application: Desktop,Laptop
DPI: 1600-2000DPI
Mouse Power: 2*AAA Batteries (not included)

Package Included:
1 x Wireless USB Optical Mouse
1 x USB receive

Note:
The USB Receiver is packaged in the Mouse, open the battery cover then you'll see it.