AUDIO SPECIFICATION:
Dynamic drivers with 117 dB SPL sensitivity and 35 Ω impedance deliver a frequency range of 20-20,000 Hz with 32 mm drivers. Battery life is 70 hours with Bluetooth and ANC or 100 hours with Bluetooth only. Quick charging provides 12 hours of playtime in just 15 minutes. Charging takes 2.5 hours for a full recharge. CONTROLS AND CONNECTIVITY: Bluetooth 5.3 wireless connectivity with a 10 m range, USB-C to 3.5mm wired connectivity, and customizable sound. Features include a control knob, ANC button, and M button. Microphone and remote available, with active noise cancellation. COMPATIBLE APPS: Marshall Bluetooth app. PHYSICAL UNIT: Weighs 250 g (8.8 oz), not water-resistant, available in black, collapsible, over-ear type. INCLUDED IN THE BOX: Monitor III A.N.C. Headphones, USB-C charging cable, USB-C to 3.5mm audio cord, quick start guide, legal and safety information, and carrying case.