This instrument can be struck once every 10 minutes, and its resonant tone lasts for 3 full minutes.
While the chime is resonating, no spell requiring a verbal component can be cast within a 30-foot radius of it unless the caster can make a Concentration check (DC 15 + the spell’s level).

Prerequisites: Craft Wondrous Item, shout.
Cost to Create: 8,000 gp (plus 800 gp for base item), 640 XP, 16 days.