1. You need to download the RAZER headphone pairing program from the Leisher official website

2.  If you don't have pairing software or don't know how to link, please ask customer service!

3. The receiver of RC30-0378 can only be adapted to Barracuda X earphones with three connection methods: USB wired, 2.4G wireless, and Bluetooth,

4.  The receiver of RC30-0378 mode Can't' be used to adapt Barracuda X earphones with only USB wired and 2.4G wireless capabilities

When you receive the receiver, you must pair the receiver to your device.

Package Include:

1 xRazer Barracuda X 2.4 Wireless Receiver  Dongle USB Adapter  RC30-0378