Enliven your exercise with the Ibtb2 Bluetooth speaker and keep hydrated with the hooked up water bottle. A Bluetooth portable audio system is built into a material-wrapped, plastic wireless cabinet that screws onto the ground of a double-wall insulated steel water bottle. Answer any incoming call with built-in speakerphone with echo-noise cancellation.

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Double-wall steel insulated bpa-free hydration bottle helps to keep liquids cool or hot for hours, holds 16.9 Fluid ounces (500 ML)
IP67 Certified water-resistant and sand proof
Internal rechargeable lithium ion battery within the speaker plays for as much as 8 hours on one charge (charging cable included)
Use speaker with bottle or one after the other
Speakerphone with digital echo canceling and Talk/end button