Bang & Olufsen - Beoplay HX ...

Adaptive Active Noise Cancellation - auto adjust to your surroundings. 40mm Drivers with neodymium magnets. Customize preferences with Beosonic Tuning in Bang & Olufsen app. Center relief comfort zone on headband. Soft lambskin and memory foam ear cushions. Form-fitting fabric case protects headphones while not in use. Up to 35 hours of use with ANC enabled. Multipoint - 2 active devices concurrently. Frequency range: 20Hz-20kHz. Audio cable with 3.5mm jack. USB-A to USB-C charging cable.