Partner One · 1 of 2

Find your tone.

Start, then tap “I hear it.”

Ready

Device speaker · No headphones · Comfortable volume

Designed for the partner who hears higher pitches.

One turn complete

Pass the device to Partner Two.

Partner One result —

Same device. Same position and volume.

Sound starts when Partner Two taps below.

Your test result

No clear range

Partner One —

Partner Two —

Confirm this range with a bedside alarm before relying on it.