16.8-Inch 10W HIGH SOUND QUALITY DESKTOP SPEAKER-2 pcs high quality inside magnetic speaker passive diaphragm,10W (2 x 5W) high quality full frequency speaker:Treble & Alto & Bass. Whether you're watching a movie or listening to music at home or outdoors,you can feel the best sounds from FULOXTECH desktop sound bar. WIRED & WIRELESS CONNECTIONS-Modern and traditional multi-modes connected computer sound bar;4.2 Bluetooth spec. (effective distance:up to 10 meters/33 feet) wireless connection for most wireless devices,like bluetooth-enabled smart phone,pad,laptop,CD player etc;Or wired connection that include a 3.5mm AUX cable to connect the sound bar with your PC,then you can sit back and enjoy the music. TWO POWER SUPPLY MODES-Using FULOXTECH PC sound bar by USB cable or the built in 1800mAh lithium battery.A full charge by USB only takes 2 hours,but can play sound 4-7 hours in the loudest volume condition or 8-10 hours in medium normal volume condition,very portable for your outdoor using.