Model Name: Liberty Air 2 Pro Weight: Approximately 62g (including charging case) Water Resistance: IPX4 Communication Method: Bluetooth 5 Bluetooth Profiles: A2DP, AVRCP, HFP, HSP Supported Codecs: SBC / AAC Playback Time Normal Mode: Up to 7 hours (earbuds only) / Up to 26 hours (with charging case) Noise Cancelling Mode: Up to 6 hours (earbuds only) / Up to 21 hours (with charging case) Transparency Mode: Up to 6.5 hours (earbuds only) / Up to 23 hours (with charging case) Charging Port: USB Type-C Charging Time: Approximately 1 hour (earbuds) / Approximately 1.5 hours (charging case *using USB cable) / Approximately 2.5 hours (charging case *using wireless charger) Package Contents: Soundcore Liberty Air 2 Pro, Charging Case, Ear Tips (XXXS / XXS / XS / S / M / M+ / L / L+ / XL), USB-C & USB-A Cable, Quick Start Guide, Safety Manual There are no noticeable scratches or stains, but there is a problem where the left earbud does not connect well with Bluetooth. Everything else is normal. Thank you for viewing.