Connector A: 1 - USB 2.0 Type-A Male (4 pin, 480Mbps), Connector B: 1 - USB 2.0 Type-A Female (4 pin, 480Mbps), Active or Passive Adapter: Passive, Connector Plating: Nickel, Cable Jacket Material: TPE - Thermoplastic Elastomers, Type and Rate: USB 2.0 - 480 Mbit/s, Color: Black. 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.