Lenovo M0520 Portable Speaker - 2.0 Channel, 90Hz-20kHz, USB Powered, 3.5mm Jack, Black. Enjoy rich bass with highest audio performance in your computer using the Lenovo M0520 Portable Speaker. This black color speaker features 2.0 Channel that is suitable for PC and Laptops to provide you exceptional audio filled with clear, crisp acoustics coupled with rich, resounding bass tones. With a frequency level of 90Hz-20kHz it offers higher level of audio output. This speaker is USB Powered to offer quick and smooth connection with computers and laptops. In addition, this speaker gives a convenient easy audio plug-in connection to any multimedia device with its 3.5mm Jack. Order the Lenovo M0520 Portable Speaker right now! And buy this Lenovo Portable Speaker, 2.0 Channel, 90Hz-20kHz, USB Powered Now $9.99.