A first electronic device comprising: a wireless communication circuit configured to support Bluetooth communication; a processor operatively connected with the wireless communication circuit; and a memory operatively connected with the processor, wherein the memory stores one or more instructions that, when executed, cause the processor to: connect with an external electronic device via a communication link configured to communicate in units of time slots using the wireless communication circuit, connect with a counterpart electronic device via a counterparts link using the wireless communication circuit, transmit communication link information for estimation of a radio resource of the communication link to the counterpart electronic device via the counterparts link in order to change a radio resource of the counterparts link based on the communication link information, so that the first electronic device is configured to communicate with the counterpart electronic device via the counterparts link based on timings aligned based on the time slots of the communication link, receive first data from the external electronic device via the communication link in a first time slot of the communication link, transmit a first response message to the first data to the external electronic device via the communication link in a second time slot of the communication link subsequent to the first time slot determine whether or not second data is received from the external electronic device via the communication link, within a first time interval set in a third time slot of the communication link subsequent to the second time slot, and if the second data is not received within the first time interval, communicate with the counterpart electronic device via the counterparts link in a second time interval subsequent to the first time interval and including a portion of the third time slot. a wireless communication circuit configured to support Bluetooth communication; a processor operatively connected with the wireless communication circuit; and a memory operatively connected with the processor, wherein the memory stores one or more instructions that, when executed, cause the processor to: connect with an external electronic device via a communication link configured to communicate in units of time slots using the wireless communication circuit, connect with a counterpart electronic device via a counterparts link using the wireless communication circuit, transmit communication link information for estimation of a radio resource of the communication link to the counterpart electronic device via the counterparts link in order to change a radio resource of the counterparts link based on the communication link information, so that the first electronic device is configured to communicate with the counterpart electronic device via the counterparts link based on timings aligned based on the time slots of the communication link, receive first data from the external electronic device via the communication link in a first time slot of the communication link, transmit a first response message to the first data to the external electronic device via the communication link in a second time slot of the communication link subsequent to the first time slot determine whether or not second data is received from the external electronic device via the communication link, within a first time interval set in a third time slot of the communication link subsequent to the second time slot, and if the second data is not received within the first time interval, communicate with the counterpart electronic device via the counterparts link in a second time interval subsequent to the first time interval and including a portion of the third time slot. connect with an external electronic device via a communication link configured to communicate in units of time slots using the wireless communication circuit, connect with a counterpart electronic device via a counterparts link using the wireless communication circuit, transmit communication link information for estimation of a radio resource of the communication link to the counterpart electronic device via the counterparts link in order to change a radio resource of the counterparts link based on the communication link information, so that the first electronic device is configured to communicate with the counterpart electronic device via the counterparts link based on timings aligned based on the time slots of the communication link, receive first data from the external electronic device via the communication link in a first time slot of the communication link, transmit a first response message to the first data to the external electronic device via the communication link in a second time slot of the communication link subsequent to the first time slot determine whether or not second data is received from the external electronic device via the communication link, within a first time interval set in a third time slot of the communication link subsequent to the second time slot, and if the second data is not received within the first time interval, communicate with the counterpart electronic device via the counterparts link in a second time interval subsequent to the first time interval and including a portion of the third time slot.