Used about 3 times. Alcohol-sterilized. Includes a free AAA battery. Original price: 6028 yen Noise cancellation level: Maximum -20dB (based on our own measurement method) Dimensions: 14(H) x 64(W) x 64(D) mm (excluding earphones and cord stopper) Weight: Approximately 33g (excluding battery, including cord) Power supply: 1 x AAA alkaline battery or 1 x AAA Eneloop battery (sold separately) Battery life: Approximately 100 hours with alkaline batteries, approximately 60 hours with Eneloop batteries * Varies depending on usage conditions. Cord length: 85cm (Y-type) * The length of the left and right cords is the same. Thank you for viewing.