A mobile device configured for data transmission to a corresponding mobile device is provided. The mobile device may include a gesture input unit configured to receive a gesture, a gesture determination unit configured to determine whether the gesture corresponds to a preset gesture associated with a command to perform data transmission to the corresponding mobile device, and a data communication unit configured to transmit a data transmission request to the corresponding mobile device based on a result of the determination, configured to receive, from the corresponding mobile device, an acceptance signal indicating an input of an acceptance gesture at the corresponding mobile device, and configured to transmit data to the corresponding mobile device in response to receiving the acceptance signal.