9 Audio speakers that may be attached with adhesive to the abdominal area of pregnant women for the purpose of transmitting music or sounds to the fetus, not for medical purposes; Bone conduction earphones; Headphones in the form of headbands; Headphones in the form of sleep masks; Loudspeakers, headphones, microphones and CD players; Personal stereos; Wireless headsets for smartphones; Wireless indoor and outdoor speakers