Hook up with interested clients using these wireless earbuds! They feature high definition Bluetooth 4.1 wireless technology and a built-in microphone with volume control. Users can enjoy dynamic stereo sound or receive hands-free calls when paired with their device. They pair from up to 30 feet away and have a 40 mAh battery, interchangeable earbud covers and a red LED indicator light. Store them in the magnetic charging cradle (micro USB cable included) to enjoy up to one hour of play time. Press the earbuds to advance through selections. The Bluetooth word mark and logos are registered trademarks owned by the Bluetooth SIG, Inc. And any use of such marks by our company is under license. Other trademarks and trade names are those of their respective owners.