Pros
You can use it with cans that are of different sizes.
It operates automatically once fitted on top of the can thus you can use it hands-free.
You do not need to worry about rough edges as its cut is smooth.
It is easy to operate and opens cans very fast.
The can contents are safe as it is very hygienic.
It is quite lightweight and portable thus it is ideal for outdoor use.
Its powerful magnet prevents the already cut lid from falling into the can.
Cons
It is quite loud.
Types of Hearing Aids
Difference Between a Hearing Aid and a Hearing Amplifier