Operation Steps :
Step One :
i) For No USB port Speakers - Supply power to the device by connecting charger with 5V USB interface,then connect the speaker's AUX port with the audio cable.
ii)For Speakers with USB port- Connect the device with speaker'r USB port directly,then connect the Speaker's AUX port with the audio Cable.
Step Two :
i) Turn on the Bluetooth function of computer. mobile or other device which has bluetooth function, searching for the BT-163 device to connect and input : 0000 for matching when the device is in the matching mode. After matching success,the indicator light turn to twinkle slowly. Then you can use your Iphones Ipad playing the music.