ROBUSTUS by Teknub &ndash; wireless Bluetooth home and office speaker system with sound delivered from a powerful 40W output &ndash; 2.1 channels 5-speakers &ndash; connects with smart phones and tablets STYLISH : Smart looks, compact and trendy design with ability to blend itself into any bookcase corner and even sits elegantly on any side-table EASY TO USE : Bluetooth wireless connection working seamlessly with your favorite music apps and devices SOUND PERFORMANCE : Remarkably impressive level of audio performance enhancing home or room ambience POWERFUL SPEAKERS : Built-in woofer delivers a crisp rich bassline along with 2 mid-range speakers and tweeters PLAYBACK DEVICES : Rear connections support multiple sources from 3.5mm cable, USB flash drive and Micro-SD card. Wireless Bluetooth supports devices from smart phones, tablets and notebooks