Listen to music at home and on the go with the Sennheiser CX 6.00BT earbuds. Bluetooth allows you to wirelessly stream music from your phone or tablet. Thanks to the Bluetooth aptX profile, you can stream your audio in high sound quality. Fully charged, the earbuds have a battery life of 6 hours. The cable hangs in your neck so that you aren't bothered by cables running across your body. These in-ears come with buds in 4 different sizes, so that the earbuds always fit perfectly. The included hard case prevents the earbuds from getting damaged in your bag.