SONY wired headphones with an open-back design, 3.5mm jack connection. - Brand: SONY - Type: Wired headphones - Design: Open-back design - Connector: 3.5mm jack - Ear pads: Soft cloth - Headband: Adjustable All functions have been confirmed to be working perfectly. No manual or box included. Please refrain from purchasing if you are concerned about the condition, as this is a used item. Thank you for viewing.