Bluetooth 5.0 Chip】Using Realtek 5.0 Bluetooth chip. Both the left true wireless earbuds and the right wireless ear buds can pick up the phone or listen to music at the same time. You can also use a separate wireless earbuds bluetooth when driving, allowing you to drive safer. 【Waterproof and Volume Control】 The waterproof level of the noise cancelling earbuds is IPX5, so you don't have to worry about sweat during sports. Compared with other waterproof wireless earbuds bluetooth of the same type, our wireless headphones with microphone have the function of Volume Control, which is more convenient to use. 【Stereo】 The Frequency Response Range of the deep bass true wireless headphones is 20Hz-20000Hz. With this wireless earbuds bluetooth, you can enjoy the stereo sound quality to give you a live concert experience. 【No Charging Troubles】 Our charging case can charge the true wireless earbuds 3-4 times, charging the truly wireless earbuds anytime, anywhere. Enjoy using the wireless earbuds bluetooth without any trouble of charging. 【One Year Warranty】If there are any after-sales problems, you can contact us 24X7, we will give you a satisfactory after-sales.