Provided is a communication apparatus having a human body contact sensing function and a method thereof. The invention relates to the seeds of soybean cultivar 23183371, to the plants of soybean cultivar 23183371, to the plant parts of soybean cultivar 23183371, and to methods for producing progeny of soybean cultivar 23183371. Reactant ions can be sufficiently supplied to improve the efficiency of the charge reduction due to the ionion reactions.