Logitech offers its Logitech Ultimate Ears 200vi Noise-Isolating Headset in Blue (pictured) or Purple for $39.99. Coupon code "logi_ue200vi_9811" cuts it to $19.99. With free shipping, that's tied with our mention from last week and the lowest total price we could find by $15. These headphones feature a frequency response of 20Hz to 20kHz, in-line controls for music and phone functions, five sizes of ear cushions, and more. Coupon expires September 12.