ROYCHE MR-1200 USB Powered Speaker 2ch 3D Stereo Laptop, Desktop, Tablet - gray Mini Speaker 3D Drive Unit provides Unmatched Sound Quality : 50.8 mm 3D drive unit is made with a strong magnet to provide deep and strong sound quality, as close as to the raw sound. 3D Technology Surround System : 3D sound lets you enjoy the best sound quality a 2 channel system can offer regardless of your position. Royche XBR 3D Sound Technology offers unmatched surround quality. Revolutionary XBR Technology : XBR technology system minimized the noise to provide sound that is almost as good as high-end products, while it also provide deep and rich bass sound. Strong Bass even without a Subwoofer : MR-1200 is comes with bass vibration pads on the both sides, providing a strong 3D bass without the help of a subwoofer. Unique design that is both pleasing to see and emphasizes the quallity, 15 degrees upwards means the sound is delivered directly to your ear, Size: W 6.5cm x H 11cm x 8.3cm