Wireless noise-canceling headphones with up to 50 hours of playback. - Model Name: SPACE Q45 - Function: Wireless noise-canceling headphones - Battery Life: Up to 50 hours - Sound Quality: Hi-Res Audio compatible - Noise Cancellation: Up to 90% noise reduction - Accessories: Audio cable, instruction manual Purchased about a year ago and used a few times, but each time was for a short period. There are some minor scratches on the case, but they are barely noticeable depending on the lighting. The main unit is in clean condition with no signs of use. Operation has been confirmed. Will be wiped down with alcohol before shipping.