Works with Bluetooth 5.0 chips to ensure stable and fast connection. Ergonomically designed earbuds for extended comfort. This Lenovo brand wireless headphone is designed for long lasting and high quality gaming. Awesome stereo headphones not only equipped with the fastest and stable BT 5.0 chip, but also built-in premium CVC noise canceling microphones that allow you the ultimate music enjoyment. the headphones come with a large capacity of battery saving 8 hours push time, absolutely the best choice for gym sports, running, jogging etc.