7月4日的家报告说，Fei'ao现已在JD.com上推出了QX13便携式耳朵放大器（小尾巴）。 Its main feature is the "900MW + 900MW thrust, ess 8 channel DAC ES9027 Pro", with a price starting from 1398 yuan and for sale for the first time on July 10. This decoder uses a full carbon fiber body, provides a 1.99-colored IPS color, the built-in "DEY-TELEVE ES9027PROPRO, the built-in" DEVI-leaves DAC ", includes 6 TI Audio OP AMPR，双C-C接口（可用于单独的数据传输 /独立的电源）。该解码器配备了XMOS XU36核心IT附加参数如下：