You also have to pair your Vantree (Avantree) Bluetooth headphones, and in this case, you can switch on the devices by pressing, and ensuring you hold the power button until the LED light flashes red and blue, which signifies a pairing mode. Thereafter, enable Bluetooth on your phone, tablet or computer and make sure that Bluetooth is switched on. Choose the name of the headphone in the list of available devices. After connection the light tends to turn solid blue and a confirmation sound can be heard.
