A lot of music, no wiresRoam free with the Sennheiser HD 450BT Wireless Bluetooth Noise-Cancelling Headphones and enjoy your favourite music in high-quality.The dynamic bass sound won't disappoint. And you can even dial in your sound on the intuitive equaliser when you connect to the Smart Control App.Want to focus on your tunes? Active noise-cancelling cuts out external sounds like chatter or traffic so you can hear every detail of your music.Creature comfortsWith up to 30 hours of battery life, the HD 450BT headphones are great for travel. But if you do run out of power, 2 hours of charging give you a full charge. And if there's not a wall socket in sight, you can use them as wired headphones using the provided audio cable.What's more, buttons on the earcups make it super easy to control your music or calls. Use the Voice Assistant button for instant access to Siri or Google Assistant.In a hurry? The HD 450BT Headphones are foldable, so they're easy to slip into your bag.