SRD:Eyes of Charming

Eyes of Charming: These two crystal lenses fit over the user’s eyes. The wearer is able to use charm person (one target per round) merely by meeting a target’s gaze. Those failing a DC 16 Will save are charmed as per the spell. If the wearer has only one lens, the DC of the saving throw is reduced to 10.

Moderate enchantment; CL 7th; Craft Wondrous Item, Heighten Spell, charm person; Price 56,000 gp for a pair.