Vinsic 5-Ports 40W USB Charger, Smart Power Desktop USB Charger Adapter for iPhone 5S 5 4S, iPad, Samsung Galaxy, HTC, Nexus, Motorola, Cellphone, Tablets (White) Smart Power technology intelligently communicates with connected devices to maximize both compatibility and charging speed (up to 2.4 amps). Each port intelligently identifies your device to speak its unique charging language. Compatible with all 5V USB charged devices such as iPad, iPhone, Samsung tab, smartphone, external battery, bluetooth speaker, headset, and so on. Safety to use. Made of industrial-grade materials in order to ensure reliability and durability, while fail-safes and regulators guard against shorts and surges. 40W 5 USB ports, charge any combination of power-hungry phones, tablets or other USB-charged devices simultaneously. Get rid of using multiple adapters and cable chaos. Compact and reasonable design, much more space-saving and well-organized while charging your devices.