Authentic, genuine, limited edition of 3,500 units, originally sold in Japan. Meiji Kinoko no Yama Wireless Earphones from Makuake. Rare, hard to find, sold out. Bluetooth. New, unused, unopened. Warranty card is blank. Stored in a dark place as part of a collection. ● Simultaneous automatic translation function supporting 144 languages worldwide. ● Limited to 3,500 units with a serial number. ● Design meticulously replicating the actual "Kinoko no Yama" (Mushroom Mountain). The "Kinoko no Yama Wireless Earphones" feature "Touch Mode" & "Free Talk Mode" for real-time, hands-free translation of conversations in 74 languages and 70 regional accents worldwide. It also includes "Speaker Mode" which converts spoken words into foreign languages via a smartphone. Furthermore, it can be used for music and calls, just like regular wireless earphones.