Lenovo offers its Lenovo M020 Multimedia Stereo USB 2.0 Speakers in Red, model no. 57Y6361, for $29.99. Coupon code "USPC11JN16361" drops them to $12.99. With free shipping, that's the lowest total price we could find by $27, although we saw it for about a buck less last week (since expired). Sales tax is added where applicable. These USB-powered speakers feature a 90Hz to 20kHz frequency response. Coupon expires June 3.