Electronic device with wireless earbud

An apparatus comprising:

• a main body comprising a connection hole, a user input button, at least one processor and at least one memory;
• and
• a wireless earbud configured for plugging into the connection hole of the main body to form a single integrated body with the main body,
• wherein the wireless earbud has wireless communication capability for wirelessly pairing with a smartphone and is configured to receive audio data from the smartphone and to play audio using the audio data from the smartphone when wirelessly paired with the smartphone,
• wherein in addition to wireless communication capability for wireless pairing with the smartphone, the wireless earbud comprises an earbud connector for connecting with an electric circuit of the main body for wired communication capability with the main body when plugged into the connection hole,
• wherein, when plugged into the connection hole, the wireless earbud is configured to get battery charging from the main body and additionally to perform two-way data communication with the main body,
• wherein the at least one processor of the main body is configured to execute computer program instructions, stored in the at least one memory
• for initiating the wireless pairing with the smartphone in response to pressing of the user input button provided on the main body, and
• for turning off the wireless pairing with the smartphone when the wireless earbud gets charged.