Bose Noise Cancelling Headphones 700 Wireless Headphones Noise Cancelling Bluetooth Connection with Microphone Up to 20 Hours Playback Touch Operation Amazon Alexa Built-in Luxe Silver BOSE NC700 Silver The actual usage period was only 4 months in winter. The condition is good, but please check the photos for the condition. Bose Model Name: Noise Cancelling Headphones 700 If you are considering purchasing, please read the profile as well. We do not accept price negotiations.