Description:Next generation 5W wireless phone charger which is compatible with devices that are enabled for wireless charging and will charge most modern phones. Simply plug it into any USB port or a mains adapter and place a compatible device on it for convenient wireless charging. Vector is supplied with a Micro-B USB cable and an instruction leaflet. Please note that some phone cases may affect the wireless charging connection. The wireless charger will work at the optimum power level when used with a 5V/2.4A mains adaptor. Using a PC/laptop USB output to power the wireless charger may lead to slow charging, or not charging at all. Other factors like, positioning on the charging surface and the type of case used may also impact wireless charging.