Uninterrupted music enjoyment without background noise. The TRACK+ offers four levels of noise cancellation (ANC) that can be adjusted manually or automatically to adapt to your environment. It is one of the lightest and most comfortable wireless headphones with ANC on the market. The TRACK+ is made from tangle-free, soft, and skin-friendly material and comes with five ear tips for a perfect fit every time. With a battery life of up to eight hours, the TRACK+ ensures you’re never without music. Thanks to its smart technology, it automatically switches to sleep mode when not in use but is instantly activated when you move.