Become immersed in your music with the Optimus Bluetooth Headphones. The modern design will keep you at the front of the pack. Enjoy a full day of music with up to 12 hours of playback time. Listen to music, skip tracks, control volume, and accept a phone call all without touching your Bluetooth device. Includes a 3.5mm line-in audio cable, a USB to micro USB charging cable, and an EVA molded case to store and protect your headphones while not in use. Bluetooth working range is 10 meters (33 feet).Enjoy up to 12hrs. of music at max volume on a single charge.