Listen to your favorite tunes wherever you go with the wireless earphones in square-shaped travel case. This pair of earphones are equipped with Bluetooth® 4.2 technology, letting you pair it with your devices from up to 30 feet away. You can even take hands-free calls with this pair of earphones as it has a built-in microphone with +/- buttons for its volume control. This pair of earphones is powered by a 55 mAh battery which lets you enjoy 2 hours of play time and 1 hour of talking time. Should you run out of battery, worry not as this pair of earphones comes with its own charging cable.Note: The Bluetooth® logos and word mark are trademarks that are registered and owned by the Bluetooth SIG, Inc. and the uses of these marks are under license.