Almost new used AirPods. Effective noise cancellation reduces noise during calls and gives you clearer sound. * Adaptive EQ combines noise cancellation and transparency for natural sound. * Heart rate sensor to track performance and calories during workouts. * Live Translation allows you to hear different languages instantly through the headset. * Conversation Awareness: Automatically lowers volume when talking to others. * Easy control via H2 chip for faster performance and better response. * Battery lasts up to 10 hours in transparency mode on a single charge. * Battery up to 8 hours with noise cancellation enabled.