Give on-the-go listening a stylish upgrade with the Polk Hinge Wireless on-ear Bluetooth headphones along for the ride. Part of Polk"s Heritage Collection-a full series of finely crafted high-performance audio products-the Hinge Wireless headphones feature 40mm drivers with proprietary Dynamic Balance technology and Polk Optimized Electro-acoustic Tuning (POET) for clearer audio balance, more full-range sound and better overall sonic depth. With its Bluetooth technology and built-in Near Field Communication (NFC), simply touch the Hinge Wireless against any compatible smartphone, tablet or computer for high-quality wireless music listening and to enjoy phone calls in privacy. Plus, its leatherette ear cups offer a comfortable fit and its compact fold-up design makes for easy storage just about anywhere. The Hinge Wireless has a rechargeable Lithium-ion battery that lasts up to 12 hours and it comes with a detachable 3.5mm cable for passive mode listening and micro USB charging cable.