Easy to handle
When using this wireless headphone, use Bluetooth, and pair it for the first time, it will automatically pair with your smartphone when you use it again.It can also be used as a wired headphone using a 3.5mm aux cable
How to use
1. Wired: It can also be used as a wired headphone using the Aude Io cable.
2. Micro card insertion: You can use a Micro SD card with MP3 music.
3. Bluetooth connection: When paired with Bluetooth, it will automatically pair with your smartphone when you use it again.