Bluetooth 5.0 and Impressive Sound Quality: The High Fidelity stereo sound benefits from the 40mm driver, bluetooth 5.0, and the around-ear cushion design which provide a well-closed and immersed environment for your ears, Just lose yourself in the music | Upgraded 65 Hours Playtime: 059 Bluetooth headphones was upgraded the battery life to 65 hours; and you can also use it as a wired headphone with the provided audio cable so the headphones will never power off | Built to Stay Comfortable: The Memory Protein ear cushion simulate human skin texture, ensuring lasting comfort; The stainless steel slider and softly padded headband allows you to find the perfect fit without constraint and provide excellent durability | Handsfree Call and Built In Mic: Mpow Bluetooth headphones provide a quick and stable connection with your Bluetooth enabled devices like Cellphones, PC, TV within 33 feet, with a high quality built-in microphone for handsfree calls | Foldable Design With A Portable Bag: The foldable Headband is not only designed for saving your desk space but for carrying in the provided bag; Gentle Reminder: To get wearing comfort, please take off the headphone every 2 hours to get your ears relax