We have committed in Deliver the goods as soon as possible within 24 hours and for any questions, please contact With us via customer service. We look forward to everyone and look forward to your feedback! Portable Sound Box 3W Usb P2 Pc Convenient Mobile Phone Notebook Box RAPID SHIPPING TO ALL BRAZIL Description: For the correct functionality it is necessary to connect the two outputs, the USB cable (power supply), and the P2 cable (audio output). Wait for automatic recognition of the device, check if the driver is set as default audio output.