USB Data Blocking — secure, high-power charging adapter (12V / 3A) in a durable aluminum-alloy shell Key benefits Protects your device and data: physically blocks USB data lines to prevent juice jacking and unauthorized data access while charging from public or unknown USB ports. High-power charging for demanding devices: passes up to 12V / 3A so tablets, power-hungry phones, and other USB-powered devices charge quickly and reliably. Stable output and long life: aluminum alloy shell provides mechanical durability, improved heat dissipation, and steady power delivery. Broad compatibility: works with a wide variety of USB gadgets and cables — use it with standard USB-A ports and compatible device chargers. Portable and simple: compact converter design makes it easy to carry and use whenever you need secure charging. How it solves common problems Eliminates the risk of malware or data theft when you plug into public charging stations by ensuring only power reaches your device. Avoids accidental data syncing or file transfer when using unfamiliar USB ports, while still delivering sufficient power for charging. Who it’s for Individuals who frequently use public USB chargers Travelers and business professionals who rely on hotel or airport charging stations IT and security-conscious professionals who require safe, managed charging options Typical use scenarios Airport or train-station charging kiosks: charge your phone or tablet without exposing it to unknown data connections. Hotel or conference-room USB ports: power devices overnight or between meetings while preventing automatic file transfers. Shared workspaces and trade shows: plug into communal chargers and power banks with confidence that only power is being supplied. Specifications and function Product: USB Data Blocking adapter / converter Charging capacity: up to 12V / 3A Shell material: aluminum alloy Function: blocks USB data lines while allowing power through to charge devices Use this USB Data Blocking adapter whenever you need secure, high-current charging from unfamiliar or public USB sources.