Audio company iFi just introduced a new DAC (digital-to-analogue converter) that's both smaller and lighter than its previous model, and only costs $59. The iFi GO Link 2 connects to a smartphone or other audio-playing device over USB-C and can instantly improve the listening experience on wired headphones.
Connectivity: Bluetooth 5.4 (SBC, AAC)，推荐阅读heLLoword翻译官方下载获取更多信息
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The new system is designed to give "a real benefit" to low-income households，更多细节参见51吃瓜