Sony Bluetooth wireless earbuds with EXTRA BASS, recommended for sports with 15 hours of battery life. Purchased used on this site and used once. The previous owner said they used it for about six months, but there is a crack in the button. There are no issues with the operation. Please consider this item only if you understand that it is a used product. - Brand: SONY - Model: WI-XB400 - Features: EXTRA BASS - Connectivity: Bluetooth - Battery Life: 15 hours - Color: Black - Included items: USB cable, instruction manual, box, replacement ear pads Thank you for viewing.