Rotary electric shaver

A rotary electric shaver including a disc-shaped outer cutter which is mounted in the upper part of a shaver main body housing therein a motor and has ring-shaped tracks on the under (inner) surface thereof, and an inner cutter A, which has cutter blades that elastically contact the ring-shaped tracks of the outer cutter from below and is rotated by the motor; and in this shaver, the inner cutter A has vibration elements that travel in the ring-shaped tracks and have a smaller spring constant, compared to the cutter blade in the direction same as and opposite from the direction in which the cutter blades travel, and the vibration elements vibrate and produce sound when, during shaving, they strike stoppers provided near the vibration elements