Bluetooth speaker usage 1. Long press power button, Power on, click “M” button switch to “BT” mode, means bluetooth (Current mode could be found at ⑨.) 2. Open your phone’s bluetooth, find DF-580 to connect. Volume adjustment 1. When turn volume down, please long press ② “-” for 3s. 2. When turn volume up, please long press ④ “+” for 3s. Radio usage 1. Pull out antenna. 2. Quick press button “M” ⑤ to switch to FM or AM mode. (Current mode could be found at ⑨.) 3.