With Bluetooth devices: 1, turn on the Bluetooth speaker power.
2. Turn on Bluetooth.
3, select the speaker to be connected, and the connection is OK.
2. Directly connected: 1, directly use the adapter cable from the headset or USB jack of the mobile phone to connect to the input jack of the active audio; 2, use a one-to-two audio cable from the phone's headphone jack to the input jack of the audio modulation device, two-to-two audio cable can be