- Waterproof 2-in-1 Bluetooth loudspeaker for perfect music enjoyment with the smartphone, tablet or notebook - anywhere and at any time ,- True Wireless stereo - two from one: the loudspeaker can be split into two individual speakers for free placement around the room for true stereo sound ,- Double the power: two powerful Li ion batteries ensure hours of play time ,- The loudspeaker is unaffected by rain and liquids, and it can even be immersed in water ,- 20 Watt (or 2 x 10 Watt) music output with True Wireless stereo ,- Both halves of the Soundcup-D can also be used separately ,- Wireless music playback for all Bluetooth-enabled devices ,- With ultra-flexible silicone sleeve with tab for hanging up the loudspeaker ,- Even if the speaker falls into the water, it will not sink, but will instead float on the surface