Mpow Muze Bluetooth 4.0 Headphones Wireless Earphones with Active Noise Reduction Cancelling, Built in Mic Hands-free Calling, 3.5mm Audio input Ideal for use with Smartphone, MP3, CD, DVD & in-flight entertainment systems, Mpow Muze headphones deliver clear, high-resolution sound, with impactful bass, a detailed midrange, extended treble and accurate imaging in an immersive soundfield Noise-cancelling electronics are fully integrated in each earpiece, with no need for external modules. Just turn on the ANC button, you'll quickly lose yourself in the soundtrack of your day. Their earcups have been redesigned for greater comfort, with generously cushioned padding and a shape that fits easily over any ear. For convenience, Mpow Muze's active noise cancellation can be switched off, enabling you to address someone speaking to you, hear announcements on a plane trip, etc. With Mpow Muze bluetooth headphones, you can lose the cord, free your music, and still answer incoming calls while on-the-go.