With built-in Bluetooth capabilities, the BluTunes wireless headphones have a range of up to 10 meters, built-in microphone and a 200 mAh battery size for an average play time of 6-7 hours before needing a re-charge. Jam out to your favorite tunes in style and comfort, wirelessly. Featuring a beveled edge, aluminum alloy surface for beautiful laser engraving. With power/play/pause and volume control buttons built right in.