A built-in 1500mAh battery provides up to 80 hrs play time in a single charge. Wired mode: With the provided detachable audio cable with a remote controller and a mic, you can also use it as a wired headphone for gaming, meeting, online teaching or schooling. You will get the hear-and-be-heard advantages of a upgraded OneOdio headphones with mic, thanks to advanced 360° adjusted directional noise reduction boom microphone.You will get can better gaming & voice chat experience.