Bekhic Military Grade Waterproof Portable Bluetooth 4.0 Speakers with 15 Hour Playtime for Outdoor/Shower MIC Hands-Free & NFC Function Best waterproof outdoor and shower bluetooth speaker, military IP 67 grade wireless speakers for iPhone 5 5S 6 6S plus Quick & easy to pair our bluetooth shower speaker & outdoor speaker uses bluetooth 4.0 technology Listen on & on our wireless shower speaker has a high capacity battery that can provide up to 12 hours of endless music, even at 80% volume Ready for any types of conditions our bluetooth speakers waterproof level I67- protected against low pressure water stream from any angle More powerful than the competition most bluetooth speakers designed for use as shower speakers and outdoor speakers have 3-watt audio drivers