Belkin (AUD008hqBK) Soundform Isolate Over Ear Headphones - Black Battery: 60hours of battery life Features: Hybrid Active Noise Cancellation combines feedforward; Belkin Signature Sound, Active Noise Cancellation (ANC), Hear Thru; Built-in microphone with Clear Call Quality technology Driver: 3.5mm and USB-C cables included to connect to any modern audio source Bluetooth: Bluetooth 5.4 connects easily to devices within 30 ft./10m