2BOOM BX390 Bass King Wireless Bluetooth Portable Outdoor Boombox Speaker, 4" Subwoofer, FM Radio, SD Card Slot, USB Output, Aux Input, LED Display - Black POWERFUL BASS SOUND - The Bass King's 4-inch sub woofers and vibrating disks, deliver crisp, clear, loud sound, booming low tones, heavy bass and dynamic sound effects. The equalizer will adjust to any type of music played, so you can enjoy your music the right way. BLUETOOTH AND BUILT-IN-MICROPHONE - connect your speakers to any smartphone, tablet or other Bluetooth-enabled device. Turn on your speakers, connect to Bluetooth and your device will be automatically remembered. Bluetooth connection up to 33 ft. Enjoy hands-free calls with the built-in microphone features. DURABLE AND PORTABLE - The Bass King includes a rugged, rubberized exterior house. The included attachable strap allows you to carry your music anywhere. CONTROL PANEL - Control your sound from the BX390 speaker directly. Adjust the volume and bass sound to your personal liking. Multiple inputs are available - FM Radio, Aux-in Line, USB cable, SD Card. Easily switch between modes on the control panel and use the sound equalizer to adjust to any type of music. WHAT IS INCLUDED - Bass King Speaker, 3.5 mm Aux Cable, USB Charging Cable, User Manual, UNLIMITED 2BOOM WARRANTY <span class="a-text-bold">DYNAMIC BASS</span> - Enjoy the powerful sound of the Bass King from its <span class="a-text-italic">sub woofers</span>. <span class="a-text-bold">WIRELESS STREAMING</span> - Stay connected to any device via Bluetooth from a <span class="a-text-italic">32.8 ft </span>range. <span class="a-text-bold">POWERHOUSE SOUND</span> - Delivers <span class="a-text-italic">digital sound processing </span>for optimum bass. <span class="a-text-bold">DURABLE HOUSING </span>- Rugged Structure with a <span class="a-text-italic">protective rubber base</span> to keep from scratching. <span class="a-text-bold">PORTABLE </span>- Suitable for indoor or outdoor use. Use the included <span class="a-text-italic">strap </span>to easily carry around. <span class="a-text-bold">Rugged </span>rubberized housing and base <span class="a-text-bold">Prevents </span>blemishes and scratches <span class="a-text-bold">Measures </span>10 x 6.5 x 6 inches <span class="a-text-bold">Includes </span>an attachable strap for transport Mini stands to <span class="a-text-bold">elevate </span>your sound on any surface. Bluetooth Range: 32.8 ft Sub-woofer Size - 5-inch Subwoofer output:12W,4 Horn Size - 3-inch *2 Horn output: 3W*2,4 Battery Capacity: 1500mAh Frequency Response:100-20Khz Power supply: DC3.7V <span class="a-text-italic">Adjust </span>the volume and bass <span class="a-text-italic">Sound Equalizer</span> to match all music types Easily <span class="a-text-italic">switch </span>between modes Bluetooth USB Auxiliary - In FM Radio Micro SD Card Includes: Black Speaker, Carry Strap, Charging Cable, Audio Cable, User Manual Powerful X-Bass Sound Long-Lasting Battery Built-In Microphone Rubberized Exterior Includes: Blue Speaker, Carry Strap, Charging Cable, Audio Cable, User Manual Powerful X-Bass Sound Long-Lasting Battery Built-In Microphone Rubberized Exterior Includes: Red Speaker, Carry Strap, Charging Cable, Audio Cable, User Manual Powerful X-Bass Sound Long-Lasting Battery Built-In Microphone Rubberized Exterior