The Salom uWaveGo is a magic box that dramatically improves the sound quality of your smartphone by placing your smartphone. Salom chargers have been OEM from a leading Japanese appliance manufacturer for decades and are extremely reliable! Simply place your smartphone on the uWaveGo unit without any special settings to achieve amazing sound quality. Built-in rechargeable battery, no need to replace batteries. It can also be used as a smartphone stand, and achieves an angle that is easy to read on Built-in speaker for high sound quality, so you can conference calls in business situations. The smartphone is placed horizontally, but it is compatible with smartphones that are smaller than 5.3 inches (135 mm) on one side (such as iPhone 6 Plus and other smartphones with a length of 5.4 inches (136 mm).