Earmuffs have three major functions:
1. ear protection earmuffs head is made of soft plastic， elastic， soft to protect children eardrum.
2. Protection of the probe will be attached to the ear earmuffs have feces instead of the probe， this time wiping and less exposure to the probe， extend the life of the ear thermometer.
3. Safety， different people with different earmuffs reduce cross-infection.

Earmuffs can be used to wipe down a few times 10
However， this substitution is recommended for earmuffs and a toothbrush reason related to personal hygiene
Recommendation 1-2 cartridge can buy spare no shelf life because earmuffs