[Premium Sound Quality]: DOQAUS LIFE 4 Bluetooth Headphones over ear come equipped with two 40mm driver units and Bluetooth 5.3 technology, offer stable transmission, lower latency, and clear phone communication. ensuring stable transmission and crystal-clear audio for your gym sessions or travel adventures. The tuned by professional acoustic engineer 3 EQ modes allow you cater to different music styles, ensuring an optimal listening experience for music lovers. [Super Long Battery Life]: Enjoy up to 90 hours of playtime with a single charge, making these over ear headphones wireless ideal companions for long flights or workout sessions. And also perfect for gym enthusiasts and workout fanatics, these wireless headphones over ear offer up to 90 hours of playtime in Bluetooth mode and can be quickly charged for 5 hours of listening in just 10 minutes. Stay motivated and focused on your fitness goals while enjoying your favorite tunes. [Unparalleled Comfort]: Design