If you want to connect, please perform the following steps:
1) Turn on the Bluetooth function of the mobile phone, and go in to search the Bluetooth headset status (any device can see it).
2) When the Bluetooth headset is turned off, press and hold the Bluetooth headset switch button until the blue light and red light of the Bluetooth headset flash alternately, and then release it.
3) The Bluetooth headset and the mobile phone will be paired, and the information of the Bluetooth headset will be displayed on the mobile phone. Click OK to connect.
4) Note that the effective distance between the mobile phone and the Bluetooth headset is 10 meter. If you need to enter the pairing password, it is generally 0000. 1234.888.