Bluetooth Headphones XELO Stereo In-Ear Earbud Sweatproof Secure Fit Wireless HD Headphone - Black Fit - Comfortable in-ear design with 3 soft rubber tips to reduce outside noise and over ear hook to provide stable secure fit that stays in place Sound Quality - high definition stereo sound using Bluetooth 4.0 technology to ensure seamless uninterrupted connection Play/Talk Time - Up to 6 hours of play/talk time and Up to 50 hours standby, quick charging time Water-resistant and Sweatproof - ideal for everyday use taking call phone calls, running, workout, exercise, enjoying films, games and listening to your favourite music of course! Compatible with Bluetooth enabled devices - including iOS and Android operating systems. Can pair with 2 devices at the same time!