IPX7 Certified 100% Waterproof: This portable shower speaker is waterproof, rainproof, splashproof and can even float on the tub or pool, the IPX7 waterproof Bluetooth speaker can be fully submerged under 1 meter for about 30 minutes, perfect for bathroom shower. pool, camping, beach picnics, boating and more. EASY CONTROLS: easily adjust volume, play and pause, skip songs forward and backward, all controls are easily identified and accessible from the front of the unit. It can also be used as a hands-free speakerphone with a built-in microphone and, if you wish, you can use the touch button on the speakerphone to answer the speakerphone. Wireless hands-free calling: audio transmission Wireless Bluetooth, suitable for mobile phones/tablets with Bluetooth function. 3W full-range speaker: 4 ohm 3W full-range speaker, integrating treble, midrange and bass. Pleasant highs, smooth mids and deep bass! Standard list: Waterproof Bluetooth speaker*1, USB charging cable*1, Instruction manual*1