Daily Steals offers the refurbished Belkin 3.5mm Audio + Charge Rockstar iPhone Lightning Adapter in White for $29.99. Coupon code "DSBELKIN" drops that to $15.99. With free shipping, that's $24 under the lowest price we could find for a new one. It features a 3.5mm audio input, Lightning input, and Lightning connector allowing you to use your device's Lightning port and listen on wired headphones simultaneously.