This Rudraksha is related to Ek Alakh Niranjan. The person who wears this Rudraksha after proper Sidhhi (method of purification & charging with Mantra) will involve deeply in Bhakti.
It is called Ek Alakh King; the Omkar (Om) itself. It is the creator and do preservation of the universe and it is the past, present and future itself. This Rudraksha belongs to each and every Shakti (power). Lord Brahma, Vishnu and Mahesh along with all other God and Goddess live in this Rudraksha. The wearer of this Rudraksha gets all the comforts, leisure and happiness and in the end get the Moksha (liberation).
Mantra : "Ikkis Mukhi Ek alakh ko Barane"
Note : Above details are taken from ancient handwritten text and Guru Mukha. The description is seen in the deep meditation of Lord Shiva by Lord Datta Treya. The mantra are hidden so not mentioned here.
Rules for the Rudraksha : The Wearer of the Rudraksha should chant related Rudraksha Mantra along with Rudraksha Utpatti Mantra (Mantra for the Rudraksha Origin) daily at least 9 times while wearing and removing in the night before going to sleep. More Rules...