Zune wireless sync gives you the freedom to wirelessly sync your music, videos, pictures, and podcasts from your collection to your Nokia Lumia Phone.
You need to have the Zune computer client installed on your computer. Zune software can be downloaded https://www.zune.net
You also need to have a WLAN (WiFi) router on your home network.
Please set the Zune computer client to allow wireless synching. Select Settings -> Phone -> Wireless sync. Follow the instructions on screen.
Also the Nokia Lumia phone has to be plugged in to a charger due to power considerations.