Operating Systems: macOS, Windows, Battery life: Up to 13 hours (talk time); Up to 52 hours (standby time), Battery type: Rechargeable Li-ion polymer, Charging plug: USB Type-C to USB Type-A, Ear cushions: Artificial leather, Minimum System Requirements: USB Type-A port; USB Type-C port, Warranty: 02 Years Limited, 8L545AA.