With the latest Bluetooth installed into the Headphones, Bluetooth 5.2 you have any amazing connection with the HUAWEI FreeBuds SE. This newest Bluetooth standard focusses on delivering quality audio transmission while using less energy in the process. Therefore the HUAWEI FreeBuds SE battery last longer when in use, on a single charge. Another benefit is Bluetooth 5.2 also helps audio devices pair quicker with parent devices.