Easy to use, Easy to install, Connect to any regular power socket. Beautiful 'OM' Mantra is available with 6 different tunes in this device. Volume control is to keep sound as per our requirment and selector switch for the mantra changing of choice. This device relax your mind, soul & gives you a fresh worship / meditate and to keep envoirment devotional anf spirituial. Perfect for your home, Office, fectory ect. Also can be gift for your loved ones on Birthdays, Anniversary, Grah-pravesh, Opening, business place etc......Mantras : 1) OM Chanting (Male voice), 2) OM Chanting (Male voice), 3) OM Chanting (Fast), 4) OM Chanting (Long tune), 5) OM Chanting (Thin voice), 6) OM Chanting (With bell in female voice).