First, press and hold the Bluetooth switch until the Bluetooth light is on. Bluetooth headset is the application of Bluetooth technology in the hands-free headset, so that users can avoid annoying wires, free to talk easily in a variety of ways. Since the advent of Bluetooth headsets, they have been a good tool for mobile business people to improve their efficiency. Turn on Bluetooth on your Android phone; Generally, Android Bluetooth headphones need to hold down the function key for two seconds to enter pairing mode; Then follow the system prompts to pair.
dudao wireless earphone is charged, turn on the Bluetooth switch, and use it synchronously on the ear