Earcups/Earbuds: The parts that sit over or in the ear. Cushions: Soft padding on over-ear headphones that improve comfort and help block noise. Band: A strap that goes over the head to hold the headphones in place. Connector: Plugs into a device's audio jack, with 3.5mm being common for portable devices and 6.35mm for professional equipment. Microphone: Often included, these are technically called "headsets" and are used for phone or video calls. Wireless technology: Bluetooth allows for a wireless connection to devices.