IPX7 waterproof rating, can also be used in the bath, very suitable for summer swimming vacation. The powerful lithium-ion battery can ensure up to 24 hours of continuous use. Bluetooth 4.2 connection, can be easily connected to all devices that support Bluetooth function, the longest distance can reach 20 meters. Press the multi-function button to access the voice input of Siri and Google Now. The speaker size is 17*5.6*5.8cm and weighs 381g.