The original 2 mukhi Rudraksha pendant with lab certificate from Indonesia has center lines deviding Rudraksha in two parts; it mutually speaks to Lord Shiva (Rudra) and Goddess Parvati which together are known as Ardhanareshwar. It is said that Two face Rudraksha can keep up Unity and Oneness. 2 mukhi Rudraksha favors the wearer with the intensity of understanding others, which further empowers the owner to get complete task from all sides. To 
 
This certified two face rudraksha locket represents the balance of Sun and Moon, Masculine and Feminine, Shiva and Shakti. It represents harmony and unity, brings balance in all relationships and helps one to accept oneself in totality.
This two Mukhi Rudraksha are rare and valued for the ability to bring harmony in relationships where balance is needed and co-operation between all people involved is essential. It helps one understand and accept that for any relationship to work, two must be working as one. With regards oneself, the whole person within is honoured and accepted, both the masculine and feminine qualities, talents and abilities, so one experiences completeness.
It helps with accepting oneself as whole and in creating, maintaining and developing positive relationships, personally and professionally. 
The wearer experiences self-acceptance, strength and harmony within, paving the way for success in life.