Key NOT included The SmartKeeper Smart Data Blocker | Essential protects your devices from unauthorized data access while charging. It safely blocks data transfer signals during USB charging, ensuring that only power flows—preventing malware, data leaks, and unwanted connections.
  • Blocks data transfer while charging USB devices
  • Prevents unauthorized access to your data
  • Compact, plug-and-play design
  • No software or drivers required
  • Ideal for public charging stations and travel