Fitbit Zip Charge HR 101 Manual page 4

Charge HR 101
Keep it clean & dry
After activities where you sweat or your wrist gets wet,
clean and completely dry both your wrist and the band
before re-wearing.
Clean your Charge HR regularly with a mild soap-free
cleanser like Cetaphil or Aquanil.
If you notice skin irritation, please remove the device.
For more information, read the full Wear and Care Tips.