>>12675983Learn to clean electronics. The water percentage in hydrogen peroxide will ruin electronics.
Clean with industrial alcohol or "electronics cleaner" which is a volatile solvent blend.
If you do get water in electronics you rinse with alcohol to drive out the water then allow to thoroughly dry before using.
Hydrogen peroxide will neutralize when exposed to air in an hour or so.
If your ears are burning, you got things contaminated with something besides peroxide.