hp519 is a classic headphone product from HP Company, if you want to connect it to the phone directly, you can follow the following steps:
1. Turn on the Bluetooth function of the headset: Turn on the headset, and you can see the Bluetooth indicator light on the side of the headset, indicating that it has entered the standby state. Hold down the power button on the headset and wait for the Bluetooth indicator to blink, indicating that you have entered pairing mode.
2. Mobile phone connection headset: Enable Bluetooth function in mobile phone Settings, search for available Bluetooth devices, and find \"hp519\" device, click Connect. If you need to enter the pairing code, enter 0000 or 1234.
3. The connection is complete: The headset and mobile phone are connected to each other. Under normal circumstances, after the headset and mobile phone are successfully connected to each other, the Bluetooth indicator on the headset will remain steady on, indicating that the connection is successful.
It should be noted that different phones may have different systems and connection methods, and the above is only the basic connection steps. If the above steps do not connect successfully, you can refer to the headset and phone instructions, or try to reset the connection.