To play music of ipad, iphone, mobile phones, tablet pc or any bluetooth device on your mini speaker / home audio system wireless.The audio signal is transmitted through bluetooth to this device. This device is connected to mini speaker / home audio.This gives the freedom of listening your music from your mobile device without clutters of wireslet ordinary speakers instantly become wireless bluetooth stereo audio music speakershigh sensitivity level, high performance chipcompact and human-friendly design, convenient to carryoptional powered directly with power adapter or powered by pc usb port

instructions for use:

insert the usb of the receiver into any available usb port or to a ac to usb adapter to get power.Connect the speaker’s 3.5mm audio cable to the car bluetooth dongle.Open the bluetooth-enabled mobile phone (or computer), search bluetooth devices to find and pair a device .