Excellent sound directly in your ears, completely cable-free. Not even between the two earbuds. You get well-designed earbuds for each ear that fit comfortably and discreetly inside the ear, providing outstanding sound quality. The earbuds connect wirelessly to a Bluetooth-enabled device, which is now standard for smartphones and tablets. They charge in the included case, which also functions as a power bank. This allows you to charge your smartphone while on the go. So you always have backup power and wireless sound with you!.