BH470U headphones provide everything you need for comfortable conversations. The oval-shaped ear cups contain large 40mm high-resolution drivers that deliver every nuance of the sound to you. Featuring an ultra-comfortable headband with detachable USB extension cable, BH470U headphones are highly compatible with your smartphone, tablet, desktop PC, laptop, Mac – to several 3.5mm TRRS or USB-enabled devices. BH470U is designed with a digital in-line volume control and very handy mic/speaker mute switches for ease during conference calls. High-quality, detachable and flexible boom microphone gives you convenient adjustment flexibility.