From Pathfinder Lost Omens The Grand Bazaar, which isn't enabled.

Enhanced Hearing Aids

ITEM 3

Price 50 gp

Usage worn

Bulk —

These hearing aids work like magical hearing aids, but they're designed with a more potent and focused magic.

Activate envision

Frequency once per day

Requirements Your hearing aids are currently on

Effect You mentally increase the input of your hearing aids. You gain a +1 item bonus to all hearing-based Perception checks for 10 minutes.

Effect: Enhanced Hearing Aids

Pathfinder Lost Omens The Grand BazaarOGL