This USB-A to USB micro-B Data Blocker cable 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 cable prevents malware attacks and data thefts, and provides a safe way to charge your mobile devices. SECURE CHARGING CABLE: 3 ft (1m) long cable to charge smart phones, tablets, headphones, cameras anywhere, Ideal for high-security use in public, corporate, defense & educational environments. VERSATILE CABLE: Secure data adapter cable delivers up to 5V at 2. 4A (12W max), Works with all USB-A ports from host computers to wall chargers and charges USB micro-B enabled devices. ROBUST CONSTRUCTION: Durable Heavy Duty Rugged black TPE cable jacket prevents damage & fraying while Al/Mylar foil with braiding minimizes electrical interference; for on the go use with public charging ports in airports, shopping malls & hotels. SPECS: Dimensions: 3ft (1m) | USB-A male to micro USB male Cable | Power: 5V, 2. 4A (12W max) | Rugged TPE Shell & Jacket | Unique cut-away design shows secure power-only lines. The USB-A port of this cable does not have physical data pins, resulting in a cable with physical barrier for data transmission. Absence of data lines also makes these cables safe to use in government, defense, corporate and educational environments, where connecting your mobile device may be prohibited. High throughput cable with 22AWG (0. 34 sqmm) power lines delivers 5V up to 2. 4A (12W max. ). Smart on-board chip identifies the device's power requirements and adjusts the output accordingly. Industry standard connectors let you charge all your USB micro-B enabled devices from all USB-A power outlets - from host computers to wall chargers. The cable's jacket and connector molds are made from tough TPE plastic that offers better flexibility and high resilience to fraying and scratches, making it ideal for everyday rough use. Aluminum-Mylar foil with Braiding provides noise-free DC power to your device. 2-year manufacturer limited warranty