Armlet of Fathoms

This wooden armlet is decorated with a faded and chipped painting of crashing ocean waves.

While wearing the armlet, you can breathe underwater, and you have a swimming speed of 30 feet.  As an action, you choose up to 5 of creatures within 30 feet of you a magical swimming speed of 30 feet for 1 hour. Once used, this property can’t be used again until the next dawn.

Additionally, you can cast control water (save DC 15). Once used, this property can’t be used again until the next dawn.