Edifier series Bluetooth headset supporting APP, through the rich man-machine interface, shows you more hidden functions in the product, and further enhances the value and playability of the product. For some products, firmware upgrade options are also provided, so that your products can be changed and upgraded at any time.
Fix known issues
9Apps 4.9
![국세청 홈택스 [손택스] on 9Apps](https://sg-res.9appsdownloading.com/sg/res/jpg/f7/df/69cc2f90120ec331db2630e0f5b6-6dh.jpg?x-oss-process=style/jmq200)
