FREQUENTLY ASKED QUESTIONS Q1. Why is there annoying static noise? A: When the Bluetooth receiver and the speaker use the same power source, it may cause some ground loop buzzing noise. In this case you can use with a ground loop nose isolator between the adapter and speaker, the annoying noise will be eliminated. But if you don't have one, please use a separate usb charger instead. Q2. Why didn't I pair this adapter to my device ? A: Firstly make sure the adapter is in pairing state, with the blue and red indicator flashing quickly; Then check the Bluetooth setting of your smartphone, make sure it is not connected with other device. You can delete the pairing history of the receiver and your phone, then try to pair them again. Please note: this is a Bluetooth receiver, can not work with Bluetooth headphone or speaker. Q3. How to clear the pairing history ? A: When power on, long press the power button for about 8s, it will turn off, then turn it on again, the bluet and red indicator flash quickly. ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ FROM CUSTOMER " Used this item to connect my Phone to my Yamaha amplifier. Just plugged it in and it worked without any fiddling about . Very happy !! " " Works as it should! Locates Bluetooth fast and easy to hookup. Small enough to stash away out of sight too. " " Good audio quality, attractive and inconspicuous, super easy to pair and use. " " I used on a Hi-Fi amplifier to pair my Phone and it worked really well, sound quality is very good. " " I was able to connect the receiver and set it up in just a couple of minutes. The instructions were clear and easy to follow. Sounds great, too. "