In order to connect your Bose speaker to your phone, you will need a 3.5mm auxiliary cable or a Bluetooth connection. To use a 3.5mm auxiliary cable, you will need to locate the auxiliary input on your Bose speaker and the headphone jack on your phone. Once you have located these ports, you can simply plug one end of the auxiliary cable into the auxiliary input on the speaker and the other end into the headphone jack on your phone. To use a Bluetooth connection, you will need to make sure that both your Bose speaker and your phone support Bluetooth. If they do, you can simply put your Bose speaker into pairing mode and follow the steps on your phone to connect the two devices.