A wireless system comprising a plurality of devices capable of performing wireless communication, the wireless system comprising a first device and a second device, the first device including: connection establishing means (25,S224) for establishing a connection with the second device; operation means being an input button for being operated by a user and capable of receiving a plurality of individual input operations including at least a first input operation performed by the user at a first timing and a second input operation performed by the user at a second timing different from the first timing, wherein the second input operation is performed after the first input operation is completed; accumulating means for storing the plurality of individual input operations performed by the user on the operation means; and transmitting means (25,S234) for wirelessly transmitting operation result information indicating the plurality of operations stored by the accumulating means, to the second device in a state where the first device is connected to the second device, wherein at least either one of the first device and the second device includes interval setting means (S134, S223) for setting a time interval of communication between the first device and the second device, the first device and the second device perform wireless communication with each other at the time interval set by the interval setting means in a state where the first device and the second device are connected to each other, and the transmitting means of the first device transmits the operation result information to the second device in the communication performed at the time interval set by the interval setting means; characterized in that the second device transmits first representation information to the first device, and the first device further includes: receiving means for receiving the first representation information from the second device; and first representation executing means for executing a first representation on the basis of the first representation information received by the receiving means; and wherein the accumulating means stores the plurality of individual input operations performed in accordance with the first representation. the first device including: connection establishing means (25,S224) for establishing a connection with the second device; operation means being an input button for being operated by a user and capable of receiving a plurality of individual input operations including at least a first input operation performed by the user at a first timing and a second input operation performed by the user at a second timing different from the first timing, wherein the second input operation is performed after the first input operation is completed; accumulating means for storing the plurality of individual input operations performed by the user on the operation means; and transmitting means (25,S234) for wirelessly transmitting operation result information indicating the plurality of operations stored by the accumulating means, to the second device in a state where the first device is connected to the second device, connection establishing means (25,S224) for establishing a connection with the second device; operation means being an input button for being operated by a user and capable of receiving a plurality of individual input operations including at least a first input operation performed by the user at a first timing and a second input operation performed by the user at a second timing different from the first timing, wherein the second input operation is performed after the first input operation is completed; accumulating means for storing the plurality of individual input operations performed by the user on the operation means; and transmitting means (25,S234) for wirelessly transmitting operation result information indicating the plurality of operations stored by the accumulating means, to the second device in a state where the first device is connected to the second device, wherein at least either one of the first device and the second device includes interval setting means (S134, S223) for setting a time interval of communication between the first device and the second device, the first device and the second device perform wireless communication with each other at the time interval set by the interval setting means in a state where the first device and the second device are connected to each other, and the transmitting means of the first device transmits the operation result information to the second device in the communication performed at the time interval set by the interval setting means; receiving means for receiving the first representation information from the second device; and first representation executing means for executing a first representation on the basis of the first representation information received by the receiving means; and