The Panasonic RP-BTD5 Bluetooth headphones combines powerful, audiophile-quality sound with wireless listening convenience. 40mm drivers deliver robust, enveloping bass along with crisp, precise mid- and high-frequency tones. The RP-BTD5 quickly and easily syncs with your Bluetooth-enabled device—all it takes is a single touch—while the fold-flat design lets you stow them neatly in a bag or laptop case. High-capacity battery deliver 40 hours of high-quality playback.