High-performance earphones with adaptive noise cancellation and wireless charging. - Model Name: LIVE FREE 2 - Noise Canceling: Adaptive Noise Canceling - Call Function: Perfect Call - Charging Method: Wireless Charging - Battery Life: 35 hours (with case) - Continuous Playback Time: 7 hours (earphones only) - Included: Charging case Thank you for viewing. There are no noticeable scratches, but the battery has deteriorated after approximately 2 years of use. I haven't measured it, but it seems to run out in about an hour. Please be aware that this is a used item, not new.