Thank you for viewing. This is a listing for "BOSE" noise-canceling earphones. Enjoy the noise-canceling function and a comfortable music experience. The box, instruction manual, and spare earpieces are not included... The earpieces on the main unit are discolored. Soaked in alkaline cleaner and disinfected with alcohol. * We recommend purchasing "earpieces only" from Mercari. ● Operation confirmed after charging and connecting to an Android phone. ① Sound was heard from both left and right sides. ② The remote control could stop and play, but the volume adjustment (+-) did not respond. ③ The noise-canceling function ON and OFF worked well. 【About the product】 Brand: BOSE Model: QC20 Accessories: Case, charging cable (※ Box, instruction manual, and spare earpieces are not included❗) Color: Black x Blue Function: Noise canceling ・Reference: Manufacturer's suggested retail price is 29,700 yen (tax included) 【About shipping】 We will ship via "Rakuraku Mercari Bin". #BOSE #BOSEearphones #BOSEnoisecanceling #BOSEnoisecancelingearphones #BOSEwiredearphones #BOSEearphoneswired #Bose #Boseearphones #Bosenoisecanceling #Bosenoisecancelingearphones #Bosewiredearphones #Boseearphoneswired #Bose #Boseearphones #Bosenoisecanceling #Bosenoisecancelingearphones #Bosewiredearphones #Boseearphoneswired #BoseQC20 #QC20 #earphones #wiredearphones #earphoneswired #noisecancelingearphones