[Bluetooth 5.0] With two 40mm large frame driver units and Bluetooth 5.0 technology, these Bluetooth headphones provide more stable transmission speed, lower latency and better audio output. Easily and quickly pair with smartphones, tablets and other Bluetooth-enabled music devices.[Long Battery Life and Fast Charging] Equipped with a large-capacity rechargeable lithium battery, it can be used for 2 hours after charging for 10 minutes. At the same time, the 3.5mm audio cable turns the headphones into wired headphones when the battery is exhausted.[Excellent Sound Quality] The wireless Bluetooth headphones adopt a 40mm full-range dynamic driver to significantly reduce the loss of sound quality and restore the essence of sound. You will be immersed in amazing sound: get ultra-crisp highs, beautiful mids and clear bass with Bluetooth headphones.[Comfortable and Lightweight] The earmuffs are made of acoustically engineered memory foam, which provides pillow-like softness while listening. The adjustable headband and flexible earmuffs can easily adapt to any head shape without putting pressure on the ears.