Listen to music, podcasts and even work calls with the Altec Lansing Nanobud ANC TWS Earbuds With Charging Case. The Active Noise Cancelling technology helps amplify your music and block unwanted sounds, and the Ambient Aware mode ensures you'll stay informed while your earbuds are in place. The dual mic clear calling allows you to transition between listening to music and answering phone calls, and the portable charging case provides additional charging time for up to 28 hours of use.