meritline has
2.4GHZ Wireless Optical Mouse PA-WM13 with Nano Receiver,Black Color - Meritline.com for $6.79
Start From 6:30AM Pacific Time
$6.79 w/Coupon Code: MLCK401MOUSE051430NL1 For First 500 Orders
$8.99 w/Coupon Code: MLCK401MOUSE051410N After 500 Orders
Other colors available too.
2.4GHZ Wireless Optical Mouse PA-WM13 with Nano Receiver,Black Color
Features:
2.4GHz digital wireless transmission,operation distance is up to 10 meters.
Built-in mouse memory,no recoding is needed after battery replacement.
4-section design,the service life of one AA alkaline battery is up to six months.
Intelligent connectivity,no need to code,plug and play.
Ergonomically designed,comfort grip.
Many dormant class control and more power-saving hibernation connectionless.
800dpi/1600dpi.cursor speed adjustable.
Support OS Windows 2000/Me/XP/Vista/Win 7.
Power switch.
Low-voltage alarm funcion.
Technical Spec:
RF carrier: 2402 MHz-2480 MHz.
RF operation channel: 16,auto frequency hopping.
Rated operation current: 15mA@1.5V
USB 2.0
2.4GHZ Wireless Optical Mouse PA-WM13 with Nano Receiver $6.8 + FS 
