The claimed baby monitor is a device for receiving and broadcasting sound of a baby in a room so that the parents in another room can keep track of the activities of the baby without being physically present in the baby’s room. The bracket is configured for mounting the magnets thereon and accommodating the lens barrel therein. The modem includes an auto-sense procedure for switching between the two types of connections. It furthermore has a third region, adjoining the first end region, that has a round diameter in cross section, and this diameter does not increase between the third region and the second end region. The electric joint includes an internal impedance disposed between the two loops. In addition, in an example, the connector includes a second signal conductor to transfer a second electronic signal.