BlueFlame Slingshot Water Resistant Bluetooth 2.1 Bluetooth Shower Speaker, Control Buttons, Hands Free Built-In Microphone, 33 Foot Wireless Range, Includes Blue and Green Slings Big sound from a small portable Bluetooth speaker Pairs with your mobile device via Bluetooth Built-in microphone for speakerphone function, Integrated music control buttons Water-resistant IPX4 rubberized construction for added durability, Bluetooth V2.1+EDR, A2DP, AVRCP, and HFP devices are all supported 4 AA Batteries Not Included!