Lenovo offers its Lenovo L1520 2.0 USB Speakers, model no. 57Y6359, for $24.99. Coupon code "USP1M36359" drops them to $11.99. With free shipping, that's $13 off and the lowest total price we could find. Sales tax is added where applicable. These speakers are powered via USB 2.0, feature a frequency response of 90Hz to 20KHz, and more. Deal ends May 21.