High quality brushed finish aluminium alloy & fireproof plastic materials with fine workmanship, exquisite and high-end look. Maximum 2.4A output, can effectively and quickly charge mobile phones & tablets. With advanced power management scheme, it provides the optimum charging current for different USB ports. Dual USB ports, can charge two smartphones simultaneously. Adopts the most advanced microchip, it can effectively protect against overload and overheat, safer and more stable performance. Blue LED indicator shows working status Built-in multi-protection: over-voltage protection, over-current protection, short-circuit protection, temperature protection etc. Suitable for most of smartphones and tablets and other digital devices.