The LCD touchscreen and the gold electrical contact at the base of the device should only be cleaned with a dry, non-scratching, lint-free cloth. If necessary, dampen a cloth with water or 70 percent isopropyl alcohol.
Caution:
Ensure that excess solution does not enter the device. Do not immerse the device in any solution. Do not sterilize the device.
Caution:
The use of chemical-based cleaners is not recommended for the LCD screen.