1. Added support for JA11.
2. Added support for PEQ sharing. Currently supported devices: JA11, KA17, K19, BTR15, and more devices will be supported through future updates. In the upper left corner of the EQ setting, select the preset EQ to use PEQ sharing. Downloading EQ does not require login, but sharing personal EQs requires registration of a FiiO account.
3. Optimized other user experience issues.