Singing Bowl
Singing bowl is a type of bell that vibrates and produces a rich, deep tone when played. The sound of the bowl has calming effects and provides one with clarity and peace of mind.
Tibetan singing bowls are said to promote relaxation and offer powerful healing properties. It also can be used for meditation, yoga, and reiki sessions.
In addition, some wellness practitioners (including music therapists, massage therapists, and yoga therapists) use Zenbless singing bowls during treatment.

The Guan Yin carved on the bottom of singing bowl
Guanyin is the bodhisattva of infinite compassion, the pinnacle of mercy, compassion, kindness and love. She was believed to have the ability to bless every suffering person in the mortal world.