Short description: The soundcore P3i noise-canceling headphones feature a hybrid active noise-canceling system with two microphones on each side, reducing external noise by up to 90% so you can focus on your music. Enjoy powerful bass with the 10mm drivers of the P3i noise-canceling headphones. Choose your preferred EQ settings from 22 different options and customize your sound profile through the soundcore app. The P3i noise-canceling headphones last for 9 hours on a single charge or 36 hours with the compact case. For a quick boost on the go, charge them for just 10 minutes and listen for 2 hours.