…

“That depends,” said the salesman. “They run from $2.00 to $2,000.”
“Let’s see the $2.00 model,” he said.

The assistant put the device around the man’s neck. “You just stick this button in your ear and run this little string down to your pocket,” he instructed.

“How does it work?” the customer asked.

“Oh well for $2.00 it doesn’t work,” the man replied. “But when people see it on you, they’ll talk a lot louder!”