PANASONIC Bluetooth Earbud Headphones with Microphone, Call/Volume Controller and Quick Charge Function - RP-HJE120B-K - in-Ear Headphones (Black) Bluetooth earbud headphones - syncs with all Bluetooth devices; enjoy 4 hours and 20 minutes of continuous use on full charge or 1 hour of playback with 20 minute quick charge Microphone & Call controller - with an integrated microphone and call remote, these headphones are compatible with Apple (iPhone/ iPod/ iPad), Android and Blackberry Audio and smartphone devices Ergo fit earbud design - ergonomic design for perfect fit. Ultra-soft Ergo Fit in-ear earbud headphones conform Instantly to your ears (S/M/L ear pads included) In-ear stereo Audio - large, high-quality 9mm neodymium drivers and a wide frequency response ensure a level of deep, dynamic bass and crisp, high-tone trebles Extended headphone cord - long, 3.6-Ft headphone cord threads comfortably through clothing and bags making it easy to connect