Listen to your favorite music anytime and anywhere by having the wireless earphones with translucent carrying case in your pocket. This wireless earphones is equipped with Bluetooth® 4.2 technology, letting you pair your devices from up to 30 feet away. You can even take hands-free calls with this as it has a built-in microphone and +/- buttons for its volume control. Each pair of earphones have a 55 mAh battery lets you listen to music for up to 2 hours or have call conferences up to 1 hour. Should you run out of battery, just plug this pair of wireless earphones in with its included charging cable.Note: The Bluetooth® logos and word mark are trademarks registered and owned by the Bluetooth SIG, Inc. and the use of these marks are under license.