JBL Pulse 3 Bluetooth Speaker Wireless Bluetooth Speaker with Beautiful Light Show to your Music built-in rechargeable Li-ion battery 360° Lightshow and Sound - JBL Pulse 3’s customizable 360° lightshow sets the atmosphere by bringing your favorite songs to life IPX7 Waterproof - No more worrying about the Pulse 3 getting wet due to rain, Support USB & SD Card Can Connect 2 Speakers in the same time which can give a surround sound