WATERPROOF FEATURE: Momoho smallest waterproof Bluetooth speaker has an IP rating of IPX7. Repeat tests have been made to test its waterproof function successfully. It is waterproof and could be used both indoor and outdoor. So you can bring and use it at outdoor activity even on rainy days AFTER SALES SERVICE: Chente-Zhou have always been working hard to make private mould product of economical good quality. Moreover, we will always stand by our customers to ensure our products could meet customers’ needs as good as possible. We would like to assist you anytime you need