earjax® Hard Case Questions? earjax® Hard Case $12.95 Quantity $0.00 ADD TO CART AVAILABILITY/ IN STOCK Ships same day if ordered before 11:00 am (MST). Free shipping on orders $29.95 and up 30 day money-back guarantee. > Tweet Pin It Features earjax Hard Case This stylish, compact and zippered hard case protects your Earjax. • Advantage Replacements • 30-day Money Back Guarantee About Hard Shelled case for headphone storage.