Operation steps:
Step one:
For No USB port Speakers: Supply power to the device by connecting charger with 5 V USB interface, then connect the Speaker's AUX port with the audio cable.
For Speakers with USB port: Connect the device with speaker's USB port directly ,then then connect the Speaker's AUX port with the audio cable.
Step two:
Turn on the Bluetooth function of computer,mobile or other device which has Bluetooth function, searching for the H-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 iPhone iPad playing the music.