I'm selling these because I bought a new pair. I purchased and used these for about two years. Functionality has been confirmed. All included items are included. I'm selling them as a set with the optional genuine silicone case. The silicone case is starting to tear. Please check the images. Bose QuietComfort Earbuds II with noise-canceling function. - Brand: Bose - Model Name: QuietComfort Earbuds II - Accessories: Charging case, USB cable, instruction manual - Function: Noise-canceling - Compatibility: iPhone, iPad, iPod, Android #BOSE #bose #ボーズ #QC #ワイヤレスイヤホン #ノイズキャンセリング Please refrain from purchasing if you are sensitive to used items.