Enjoy a truly wireless design featuring a Bluetooth 5 chip with Qualcomm aptX Audio Technology and AAC hi-res transmission optimized for your Android and iOS devices to provide better sounding audio at similar bit rates. An optimized battery provides 6.5 hours of continuous play/talk time on a single charge (24 hours total with case). Fast charge capabilities gives you an additional 3 hours of use with only 15 minutes of charge time. Designed for compact earbuds, the 7 mm dynamic driver reproduces crystal clear sound in an ultra-compact design for enhanced efficiency. The Stylish True Wireless In-Ear Headphones feature automatic pairing, just take them out of the case and it will automatically connect to your phone (after first use) for quick and easy access to phone calls or music. Auto on/off capabilities allows you to never worry about turning them on or off again, simply take them in or out of the case.