High-quality wireless in-ear headset designed for active lifestyles;Over-the-ear fit with moldable memory wire is secure for any activity;Bluetooth 4.1 technology with Multipoint and support for aptX and AAC HD audio codecs;Sweat-proof design with Liquipel WatersafeTM Technology.Built-in microphone and controls; up to 8 hours of talk/music playback time; 1-year warranty;For information on troubleshooting, maintenance, and more please refer to the X7 Plus user manual below.