Opened for confirmation, but it's a new, unused item. High-quality Bluetooth wireless headset with approximately 150 hours of battery life and cVc noise-canceling function. - Brand: ELECOM - Model Name: LBT-HS21 - Bluetooth Version: Bluetooth compatible - Battery Life: Approximately 150 hours - Noise Canceling: cVc equipped - Sound Quality: HD Voice compatible Thank you for looking. 450