Lenovo offers its Lenovo M220 Mini Portable USB Stereo Speakers, model no. 55Y2033, for $23.99. Coupon code "USPC11JL22033" cuts them to $10.80. With free shipping, that's tied with our mention from last month and the lowest total price we could find by $20. Sales tax is added where applicable. Features include a USB interface and integrated amplifier. Deal ends July 11.