. MODEL MX-ST90B Have a blast wherever you go! Pump up your party with bi-directional sound & high power 240 watts of output. Bi-directional Sound Go wall-to-wall with Samsung Sound Tower's unique Bi-directional design. It delivers your music to a wider area for a room-filling sound experience thats ready to raise the roof. High Power 1700 Watts High Power 240 Watts is the ultimate party booster, intensifying all the lower frequencies of a song. Add the Bass Booster & you can have an even more powerful sound experience. Water-resistant (IPX5) With IPX5 rating, Sound Tower is primed for various weather conditions, protecting from water. Party Lights+ Samsung Sound Tower offers a variety of fun light modes, including Party, Ambient, Dance, Thunder Bolt, Star, and its easy to adjust the effects using the dedicated app on your mobile device. Set the lighting effect to match the rhythm & get dancing! Bluetooth Multi Connection Friends who share together, stay together. With Bluetooth Multi Connection, you & your friend can connect & pair two mobile devices simultaneously to share music & enjoy. Samsung Sound Tower App Get your party moving just right with an app thats perfect for DJing. It makes it easy to control various light & sound effects, & even your EQ settingsright from your mobile. Party on! 1 USB (Universal Serial Bus) input With a built-in USB (Universal Serial Bus) port, you can connect your external device & hit play on one of your music files to enjoy with friends. .