Lifetime Celtic Essential Oil Diffuser Necklace Aromatherapy with 22" chain and 4 felt pads Improve your health, increase your energy and sleep better Relaxation and Sleep  helps you reduces anxiety and emotional stress throughout the day Pain Relief  Excellent want to get rid of headaches, sore joints and over worked muscles Super Charge your brain cells  Fill a pick-me-up when feeling down or sluggish Easy to use - add oil to pad, close chamber and enjoy the scent as it is released throughout the day