Connector A: 1 - USB 2.0 Type-A (4 pin, 480Mbps), Connector B: 1 - USB Micro-B (5 pin), Active or Passive Adapter: Passive, Connector Plating: Nickel, Cable Jacket Material: TPE - Thermoplastic Elastomers, Cable Shield Material: Aluminum-Mylar Foil with Drain, Maximum Cable Length: 1 m [3.3 ft], Color: Black, Wire Gauge: 22/32 AWG, Conductor Type: Stranded Copper, Cable Length: 1.0 m [3.3 ft]. 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.