Wemelody PowerPort - 4 Multi-Port USB Smart Charger (4A Max) - with 2-Outlet Home/Office Power Strips 1.8M - for Android, iOS, and all SmartPhones - US Special Edition 3-Pole SMARTPOWER TECHNOLOGY: The Wemelody PowerPort uses smart power technology that maximizes compatibility across all your devices. It matches the equipment with its optimum charging current and delivers up to 2.1A for a very fast charge. QUALITY ABS ENGINEERING MATERIAL: We only used the best quality material in making the casing of this PowerPort. It is fire redundant and can support two high power equipment like refrigerators, microwaves, and more. The thick copper wires can support prolonged use of up to 2500W and will not turn soft. SUPPORTS US STANDARD PLUG: For maximum compatibility, Wemelody made sure to use the US standard plug design. You can therefore connect all your appliances directly without need for an adapter. ANTI-SURGE AND OVERLOAD PROTECTION: To ensure all your devices are safe and do not get damaged by unsteady electrical power, the device has anti-surge and overload protection. You are therefore assured that whenever you connect your device, it is safe from all harm that could result from unsteady power. SAFE AND DURABLE: An inner copper conductor, ABS engineering material that is fire redundant, and anti-surge protection guarantee you the best safety standards. You will use this 4 port USB charger for years without any issue. It is also ROHS and CE certified.