Thank you for looking! This is a brand new, unused wireless headphone made by UGREEN. It supports noise-canceling and Bluetooth 5.4. When I used the same model in my environment, I was able to significantly reduce interference from noise and other electrical appliances such as microwave ovens. [Main Specifications (from the sales site)] Model Number: HP203 Type: Sealed, Dynamic Communication Method: Bluetooth Standard Ver. 5.4 Noise Canceling: -38dB Active Noise Canceling Supported Codecs: SBC, AAC, LDAC Included: USB C to USB C audio cable, Instruction manual Weight: 246g Charging Time: Approximately 2 hours Charging Method: USB charging Battery Life: 45 hours (with noise canceling ON), 75 hours (with noise canceling OFF) *Please feel free to ask in the comments about checking the condition, adding photos, or changing the shipping method! Please note that the color may look slightly different from the actual product depending on the lighting and monitor environment. I would appreciate it if you would consider it. Thank you very much! #UGREEN #Ugreen #Wireless #WirelessHeadphones #Headphones #Wireless #Bluetooth #Bluetooth5.4 #New #NewUnused #NewUnopened #Unopened