WiFi sync to your iPhone can sync wirelessly with iTunes at the touch of button. with Wi-Fi sync you will never need cable us.
you can wirelessly synchronize your music, application, movies, contacts, calendars, books and photos.
Your iPhone will appear in itunes as if it was connected!
sinchroniser you can start from your car, in bed ... when it suits you
Here is a demonstration of Wi-Fi Sync
This is available on cydia apps aStore