Input device

An input device comprising:

• a plurality of input members;
• an upper surface having a right region in which a part of the plurality of input members is disposed, a left region in which another part of the plurality of input members is disposed, and a center region that is a region between the right region and the left region, where the center region is formed of a single input member among the plurality of input members;
• and
• a light emitting region formed along an outer edge of the single input member forming the center region,
• wherein the light emitting region includes a first light emitting portion configured to emit light that indicates identification information assigned to a plurality of input devices connected to an information processing apparatus, and a second light emitting portion configured to emit light based on information different from the identification information.