This USB-A male to USB-A female Data Blocker adapter lets you securely charge your device by establishing a power-only connection between your device and the host system or power source. Equipped with no-data USB-A male connector with a unique cut-away design, this secure adapter prevents malware attacks and data thefts, and provides a safe way to charge your mobile devices.The USB-A male port of this adapter does not have physical data pins, resulting in an adapter with physical barrier for data transmission. This adapter allows you to charge your mobile devices from a laptop or desktop computer while eliminating any possibility of:Data theft from the host computerData corruption on the host computerInfection from spyware/malware or viruses being transmitted from the mobile device to the host networkPortable adapter fits into your pocket or laptop bag, and lets you safely charge your smart phones, tablets, headphones, cameras, etc. in public charging stations/ports in airports, hotels