Vaas Boost Protective Case w/Sound Amplifying for Apple iPhone 5/5S/SE - Gray (Retail Packaging) Precision engineered grooves amplify your iPhone's speakers to up to 3x its normal levels Spacious acoustic channels give your sound space to develop into crisper highs and deeper lows Sturdy rubberized edges protect your phone from falls, drops, and scratches, Compatible with both iPhone 5 and iPhone 5s Impact-resistant, high-tech construction adds minimal bulk and weight to your phone