Meditation / Dhyan Yog Rudraksha Power Pendant is created with the combination of one bead each of 1 Mukhi, 11 Mukhi, 14 Mukhi and Gauri Shankar Nepalese Rudraksha ( except for One mukhi Rudraksha which is of Indian origin ). This is one of the most effective combinations ever that helps the wearer to meditate effectively & get closer to the supreme force.
Information about Meditation/Dhyan Yog Rudraksha Kavach as per Ancient Vedic Texts :
This Rudraksha Pendant is made with one bead each of 1 Mukhi, 11 Mukhi, 14 Mukhi and Gauri Shankar Rudraksha with Silver Cappings on either sides of each rudraksha. The individual effects of these Rudrakshas are as follows :
1 Mukhi Rudraksha : A One Mukhi Rudraksha is like Lord Shiva himself. This is supposed to be the most auspicious bead amongst all the Rudraksha beads. The ruling planet of this rudraksha is Sun.
11 Mukhi Rudraksha : Eleven Mukhi Rudraksha represents Lord Hanuman, this Rudraksha helps the wearer to remain fit, blesses with fearlessness & strength to fight against evil. 11 mukhi Rudraksha is also used for keeping any kind of danger at bay. 14 Mukhi Rudraksha : This Rudraksha is also known as a Divine Gem (Dev Mani). This Rudraksha is considered to have come directly from the eyes of Lord Shiva who himself wears this bead. This Rudraksha should be worn by every such person who can afford it since it has immense beneficiary powers. Gauri Shankar Rudraksha : Two naturally joined Rudrakshas are known as Gauri Shankar Rudraksha. It represents a combined form of Lord Shiva and Goddess Parvati. This is a very powerful Rudraksha for improving relations between husband-wife, family and friends, and is considered as a best Rudraksha for bringing peace and happiness in the family. 
