Please note: the EarFun Audio app only supports the following EarFun products:EarFun Tune Pro,EarFun Air Life,EarFun Air 2 NC,EarFun UBOOM X,EarFun Air Pro 4,EarFun Wave Pro, EarFun Air 2, EarFun Free Pro 3, EarFun Air Pro 3, EarFun Air[2023 Version], EarFun Air S, EarFun Free 2S, EarFun Air Pro 2[2023 Version], EarFun Free 1S, EarFun Air Pro SV. EarFun Audio is an easy-to-control app for EarFun wireless earbuds and audio products. Get to know your EarFun product in detail with full access to FAQs, quick start guides, firmware updates and more. If you have any suggestions or feedback, please contact us at [email protected].