Shower Speaker, Wireless Bluetooth Speaker, Hand-free Speakerphone, Auto Pairing with all Bluetooth Devices, Built-in Mic, IPx4 Rated Waterproof, 6 Hours Playtime, Bluetooth 2.1+EDR, Control Buttons, Suction Cup, DC 2.5mm USB Interface, Built-in 3.7V Lithium Battery, Full Charge 3 hr