The mark consists of a three-dimensional configuration of a portable neck fan design, with (1) a design of a ribbon of air outlets on both sides of the neck, wherein each side has 24 air outlets; (2) a design of air outlets with left and right twin-turbo blast; and (3) the fan switch. The matter shown in broken lines, namely, the outline of the entire portable neck fan, the two types of air outlets and the fan switch are no parts of the mark. The broken lines form no part of the mark and serve only to show the position or placement of the primary features of the trade dress.