Press and hold the bluetooth button for 2-3 seconds. The bluetooth button is located on the bottom RIGHT ear cup. If this is your first time turning on the headphones, it should immediately begin to search for a device to connect to. You will see the blue LED light flash on the bluetooth symbol as it begins to search for the device. Make sure the bluetooth setting is on and in search mode on your device. The Soho Wireless should appear on your discoverable devices within 3-5 seconds. To power off, press and hold the bluetooth button until you hear the audio music prompt indicating that it has powered down.