The Behringer BB 560M Bluetooth Headphones with Built-In Microphone are a solid pair of wireless workhorse headphones ready for content creation, DJing, gaming, and chatting with friends and colleagues. The over-ear design provides substantial isolation from outside noise, while the 40mm dynamic drivers deliver a wide 20 Hz to 20 kHz frequency response with deep bass and rich, detailed highs. Bluetooth 5.0 technology allows you to connect wirelessly at a distance of up to 33 feet with a wide range of computers and mobile devices. The built-in boom microphone offers a 100 Hz to 20 kHz frequency response for clear, intelligible voice quality. A cable with a 3.5mm connector is included for wired connections.