The Sennheiser Momentum In Ear Wireless allows you to listen to your music comfortably. These earbuds feature a neckband, so they'll stay firmly put in your ears. Use Bluetooth to wirelessly stream music from your smartphone, tablet, or computer to your earbuds. You won't have any cables hanging alongside your body, so you'll have extra freedom of movement. Bluetooth aptX ensures that you can stream music without sacrificing sound quality. It's just as if you're listening to a CD. The earbuds have an integrated battery that lasts up to 10 hours. When you're done listening to music, you can put your earbuds in the included carrying bag and easily take them along wherever you go.