2 mukhi rudraksha(2 face)

Ardhnareshwar
Blesses the wearer with 'UNITY". It could be related to Guru-Shishya, parents-children, husband-wife or friends.

Maintaining ONENESS is its peculiarity. Emotionally, there is harmony in relationships.
This bead helps in developing harmonious relationships.
The moon is the ruling influence and hence it can greatly help in controlling negative traits like anger, frustration and lack of concentration.