Wireless Headphones Bluetooth 5.2, BT codec aptX Adaptive/aptX HD/AAC/SBC, 30h playback time (7h on recharge 15min. ), custom made carbon inverters, size of the transducers 40mm, 6 microphones (4 for ANC, 2 for telephoning), Hybrid ambient noise cancellation, Ambient Pass-Through, wear detection, USB-C for charging and audio connectivity, travel case, black colour