Intelligently detects Qi enabled device, truly fast and efficient Hassle free of plugs and cables and keep your desktop well organized Internal addition of the magnetic isolation sheet, no harm to human health Built-in over-charging, over-voltage, over-current, over-load and short-circuit protection Anti-slip silicone rubber circle at the bottom provides firm gripping 6 months warranty provided by the manufacturer from date of purchase Country of Origin: Hong Kong