[09/25/2014] Symphonized MTRX 系列木質高傳真耳機，Symphonized MTRX Premium Genuine Wood In-ear Noise-isolating Headphones with Mic and Nylon Cable (Black)，定價$99.99，目前特價$15.49 USD。Prime境內免運費 (學生可以免費試用Prime)。哪裡買:amazon。