• Active Noise Canceling (ANC): Four microphones built into the headphones detect ambient noise Eliminates low-frequency noise such as car and airplane engine sounds with active noise cancellation • Up to 60 hours of long playback: Enjoy up to 40 hours of music playback with noise cancellation and up to 60 hours without With a 5-minute charge, you can play music for about 4 hours ※Playback time may vary depending on volume and usage environment • Multi-point Support: You can connect to two devices at the same time, so you can smoothly switch between music on your smartphone or web conference on your PC Playback can only be done on one device at a time • Customize with the App: On the Soundcore app, you can select your preferred sound quality from 22 types of equalizer presets You can also switch between modes such as noise cancellation, standard, and external sound intake • Package contents: Main unit, USB-C & USB-A cables, 3.5mm AUX cable, quick start guide (English version not guaranteed), safety manual (English version not guaranteed). Certified product with Technical Conformity Mark