Valco VMK20, Wireless ANC Headphones, Circumaural, Closed-back, Bluetooth: 5.0 APTX LL, SBC and AAC, BT chipset: Qualcomm QCC30XX, Up to 45 hours battery life, Active Noise Cancellation (ANC) with 4 microphones, ADI chipset (Analog Devices, Inc.),...
