Cellular Factory offers the 3.5mm Anti-Dust Plug with Mini Touch Stylus in Black for 99 cents. Bag free shipping via coupon code "NCBY2I". That's tied with our March mention in a different color and the lowest total price we could find by $4. This plug features a soft rubber top stylus and helps protect a device's headphone connector port from dust and moisture. Coupon expires July 21.