Provided are an inkjet printhead and a method of manufacturing the same. The external ear canal includes an outer portion extending inwardly from the external ear and including cerumen-producing glands and an inner portion between the tympanic membrane and the outer portion. The arm terminates in a camera support member. Each of the data transfer circuits starts the data transfer at receipt of the acknowledge signal, and stops the data transfer being executed on the basis of either number of pieces of data transferred after the receipt of the acknowledge signal or the count value of at least one of the counters.