Sennheiser CX200 Headphones $13 at Newegg

Newegg has the Sennheiser CX 200 Twist-To-Fit Earbud Headphones for $30 - $17 off with coupon code EMCXWVL68 [Exp 2/4] = $13 with free shipping. Normally goes for $24+. Features a "finger contoured" housing design since it seems everyone likes putting fingers in their ears.