FLY's tailor-made ?40 drivers deliver crystal clear acoustics and rich bass response. The audio performance brings you back to the original recording.FLY's customized Neodymium magnets produces powerful bass performance and outstands the others with excellent low-frequency sound extension.Express yourself with FLY. Inspired by crystals， FLY's headband has rhombus pattern and is designed for music lovers to make a statement. Reinforced steel material gives incredible durability. Adjustable headband makes it easier when wearing.Soft leather ear cushions keep you comfortable for hours. The unique pressure-free earcup design blocks outside noise and keeps music in without squeezing your head.At 79 grams， FLY is ultra-lightweight and made with a busy city lifestyle in mind. It's so light and comfort you'll forget you're wearing an on-ear headset.