As we know, many USB connectors unites the functions of sync and charging. We just say it’s useful, but not smart.
Now, the Sync Blocker USB Cable can give you more permissions to control whether to need to sync and charge your cell phone, iPhone or other mobile USB devices at the same time. A switch is placed on the plug of the Sync Blocker USB Cable. Through the switch, you can freely control the connection status of your iPhone or other gadgets, only charging or charging and sync.
Sync Blocker USB Cable is available in two types, iPhone and iPod version costs $12.99 USD, and the standard version is $9.99 USD. USBfever is selling them.