Bluetooth Speakers Wireless Portable Stereo BlackFeatures: Powering 12 whopping hours of killer sound, the long lasting battery sees you through day trips, beach detours and biking adventures. Featuring a minimalist waterproof design and powerful Bluetooth 5 chipset, Fitsmart Bluetooth speakers go where other speakers can\'t in a compact all weather go anywhere design. With the most advanced Bluetooth 5 chipset available today, this speaker is ready to take on a full day of use anywhere, any time.