Lenovo offers its Lenovo M220 Mini Portable USB Stereo Speakers, model no. 55Y2033, for $29.99. Coupon code "USP1N22033" cuts them to $9.99. (This price shows at the order review screen after logging in.) With free shipping, that's tied with our mention from three weeks ago and the lowest total price we could find by $18. Sales tax is added where applicable. Features include a USB interface and integrated amplifier. Offer expires November 14.