Prevent unwanted data transfers/access with this USB data blocker! Designed for laptops, phones, computers and tablets, this device goes between your charging cable and the USB charging port and will ensure that your data and access remains private and protected from any malware or from being hacked. Simply plug it into and USB port, then plug your charging cable into the blocker to only charge your phone. Complies with prop 65. Complies with Prop 65, RoHS.