Size:23 x 20cm
Rated voltage: 5v
Current: about 450mA
USB Power，it is safe
Easy to use，just plug it into the USB port
Product temperature constant at 40 ， when you do not need to keep warm，just pull the plug
No driver needed，support hot-swapping function
Suitable for the system: windows95， windows98， windows2000， windows me， windows xp， windows nt， linux2.4 & mac os 8.5
You can connect an external DC 5v/2000am power supply
Also good for gift

Package:

  
1USB Warm Mouse Pad