Anker Soundcore Life Tune XR are active noise canceling headphones with Hi-Res Certified sound. Multi-Mode noise canceling technology detects and eliminates outside noise. Use it for dual-microphone calls and get 60 hours of long listening sessions thanks to long battery life and comfortable earbuds. Features High-Resolution Certified Audio Life Tune active noise canceling headphones feature 40mm drivers with highly flexible silk diaphragms that produce deep, resonant bass and clear treble up to 40 kHz; ensures music has enhanced clarity and precise detail Multi-Mode Noise Cancellation