Panasonic SC-NT10-D TOUGH BlueTooth Portable Wireless Speaker System (Orange/Black) Quad Proof Tough - super-rugged shell for temperature, dust/dirt/sand, splash and shock-proof protection. Powerful Outdoor Sound. Ultra-Compact Design Wireless Audio Streaming and Speakerphone via easy sync with Smartphones for hands-free use. Long-Lasting Power - up to 8 hours of music playback with rechargeable battery. Panasonic Music Streaming App is available.