Pathfinder 2e Item: Gem Bracer of Elemental Strikes

A bracer encrusted with different colorful gemstones, each corresponding to a different energy type. The bracer can empower a strike with energy based on which gem is lit. In has seven gems, and con be configured to deal fire, ice, electric, acid, sonic, positive, or negative damage.   The active gemstone can be changed with an interact action.   Activate mental; Trigger you deal damage with a Strike to a flat-footed creature; Frequency once every 10 minutes; Effect The Strike deals an additional 1d6 damage of an energy type corresponding to the lit gem.