Audio-Technica ATH-S300 BT BK, Bluetooth Headphones, Hybrid Active Noise Cancelling, Circumaural, Closed design, Dynamic, Bluetooth 5.1, Codecs: AAC, SBC, Multipoint pairing, Frequency range: 20 Hz - 20,000 Hz, Impedance: 44.5 Ohm, Max. sound pressure level: 103 dB/mW, Driver size: 40 mm, Built-in microphone, Battery life: up to 90 hours, Charging time: approx. 2.5 hours, Quick charge function: 3 minutes charge = 2.5 hours operating time, Hear-Through function, Low-latency mode, Easy-touch buttons in the housing for intuitive control, Weight: approx. 258 g, Colour: Black, Includes USB charging cable (30 cm, USB-A to USB-C) and 1.2 m audio cable with built-in microphone and remote control