Aroma necklace (scent diffuser): heart Aroma necklace can be a daily accessories also it contains a lava stone (colour is random) which can be used as portable diffuser. How to use: open the pendant, place the lave stone on palm, add 1 drop of essential oil on it and roll until it absorbs, put it back into the pendant, the scent will diffuse throughout the day. When the scent is gone, add essential oil again and it can be used over and over. It's can match with every day's mood, change the…