ASUS HP-100U/BLK gaming headphone for $23 [updated]

ASUS makes headphones too, their ASUS HP-100U/BLK gaming set is currently on sale for $23 (was $27, was $33, was $38~) with free shipping at Amazon.com by Amazon actual with a limit of three per customer. The listing has no customer reviews… Price updated here on 2/12/15.