5548150774431744 Luen Hing Electrical(HK)Limited AudioQuest DragonFly Cobalt USB DragonFly Cobalt藍蜻蜓 USB 解碼器 DAC 解碼器 數位轉類比 耳機擴大機(藍蜻蜓) Product #: luenhingelectricalhk-AudioQuest DragonFly Cobalt USB 2022-10-20 Regular price: $HKD$2700.0 Available from: Luen Hing Electrical(HK)LimitedIn stock