ZDW Bluetooth shower Speaker with Suction Cup Waterproof for Beach Poolside Boat Car Outdoor Use -Pink &iexcl;&shy; CE certifications approved!! The beautiful sealed silicone cases and interface design ensure Waterproof, dustproof, can be used shower.Please Note: Long press"-" and "+" to adjust the volume.(Best stick it in smooth glass, like mirror, can last more longer time) Never again worry about getting out of the shower to change songs or adjust the volume, and when the phone rings, take calls right from the shower with call answering and a built-in Bluetooth microphone. Built in rechargeable battery, supports up to 5 hours playing time at the volume to 70% of the maximum volume. Built with a 3W speaker. It can streams incrediable stereo sound with full range output, crystal clear articulate high end. Universal compatibility, equipped with technological advanced high efficiency Bluetooth wireless technology.Support any Bluetooth standard enabled media player devices such as iPhone, smartphone, iPad, Tablet, MP3, digital media player ...etc, from up to 30 feet of remote distance.