According to one embodiment, an electronic device includes a memory, a wireless transmitter, and one or more hardware processors. The wireless transmitter transmits content data to an external electronic device, the content data being encoded and including first data to display video and second data to display an object capable of being operated by a user. The one or more hardware processors are coupled to the memory, decode the second data, and execute, in accordance with a user operation on the object, processing corresponding to the user operation by using the decoded second data if the video and the object are displayed on a screen of the external electronic device by using the content data.