It is a phone stand with wireless charger holder and sound amplifier built in. Charging wire comes out of the bottom and also helps hold the QI charger in position. At the bottom is sound amplifier, it sounds quite impressing when playing music on it. It is designed based on dimension of Nexus 5, if aplly to other 5" phone model, may need some minor modification. Recommend to print this design with high percentage of filling, such as 70%~80%, with full support.