The Monoprice TrueWireless™ Plus Earphones are the perfect way to experience your music collection without the hassle of wires. Get powerful sound from a comfortable, ergonomic design for up to 8 hours of continuous listening. Easy link technology allows the earphones to automatically pair when removed from the case and the latest Bluetooth® with aptX™ technology ensures a strong connection and CD quality sound from up to 30 feet (9 meters). Easily charge your earphone case with the wireless charging feature. The Monoprice TrueWireless Earphones Plus offer complete freedom from wires and are perfect for people that want great sound on the go. Support Files:User’s Manual (May 17, 2019)The Bluetooth® word mark and logos are registered trademarks of Bluetooth SIG, Inc.Qualcomm® is a trademark of Qualcomm Incorporated, registered in the United States and other countries. aptX™, the aptX logo, cVc™, and TrueWireless™ are trademarks of Qualcomm Incorporated. Qualcomm® aptX™, cVc™, and TrueWireless™ are products of Qualcomm Technologies International, Ltd.