1、Please keep the keyboard away from liquid or humid environment,
saunas, swimming pool, steam room and don't let the keyboard get wet in
the rain.
2、Please don't expose the keyboard at too high or too low temperature
condition.
3、Please don't put keyboard under sun for a long time.
4、Please don't put keyboard close to the flame, such as cooking stoves,
candles or fireplace.
5、 Avoid sharp objects scratching products, timely to recharge or replace
the dry cell products to ensure the normal use.