White Label AncStudio Bluetooth 4.0 Stereo Wireless Noise Cancelling 3.5mm Audio Input Headphones with Built in Mic - Gold These Bluetooth stereo headphones enhance your listening experience by providing sound of exceptional quality. With audio line input, they are also for use with non-Bluetooth music sources. Active Noise Cancelling (ANC) technology intergrated in this headphones, with no need for external modules. Just turn on the ANC button, you'll quickly lose yourself in the soundtrack of your day. Intelligent near field communication (NFC) technology connects your headphones with your smartphone through just one, gentle tap. (Only functional with NFC-enabled mobile devices). Enjoy your favorite tunes in ultimate comfort with this Bluetooth headset's soft, over-the-ear headphones. For a personalized fit, simply adjust the headband to your individual requirements. Easily connect this aptX-codec-enabled Bluetooth headphones with built-in microphone and listen to hifi stereo sound and crystal-clear phone calls wirelessly.