Update: They’re back!
Newegg is offering the Klipsch E1 Noise-Isolating In-Ear Headphones for free today after a $25 mail-in rebate. The E1 ear buds regularly go for $25, so with the rebate you bring the price down to $0 along with free shipping. Here is how you claim the rebate: purchase the Klipsch E1s by June 26 then head over to the Newegg rebate center and use the promo code 49257. Then simply mail in the original product UPC code and sales receipt/packing slip (full instructions here).
Klipsch E1 In-Ear Headphones w/rebate: FREE (Reg. $25)
FTC: We use income earning auto affiliate links. More.