Item Type: Portable Pool SpeakerMaterial: ABSPower: 5wFrequency Response: 120hz-15KhzSpeaker Size: Approx. 52mm / 2inVibrating Mode Size: Approx. 52mm / 2inBattery Type: Built In 1200mAh Lithium Ion BatteryPackage List1 x Portable Pool Speaker1 x Data Cable1 x Instruction ManualPlease allow some error due to manual measurement.1IPX7 WATERPROOF: Hot tub speaker is IPX7 waterproof and can be floated and used in the water, allowing you to enjoy music while swimming or showering. 2WITH RGB COLOR LIGHTS: Bluetooth speakers with multiple RGB color lights are perfect for use at night, adding more fun and ambiance to your pool or bathroom. 3BUILT IN MICROPHONE: Portable pool speaker has a built in microphone so you can always answer calls, stay in touch, and support voice input. 4CLEAR AND POWERFUL SOUND: Hot tub speaker has a large 52mm speaker and vibrating mode to provide clear, full and powerful sound for listening to music. 51200MAH LITHIUM ION BATTERY: Bluetooth Shower Speaker has a built in 1200mAh lithium ion battery that provides long lasting use and long battery life. 6EASY TO CARRY: Bluetooth pool speaker features a lightweight design. It is easy to carry and very practical for both outdoor and indoor use.