TryAce Bluetooth Waterproof Speaker with Built in mic & Dedicated Suction Cup (Blue) 1 High definition Bluetooth 3.0 audio wireless connectivity with seamless streaming and 6 hours of playtime. 2 Very easy to use, built-in microphone and convenient speakerphone, Volume up / Volume down / fast forward (skip) / Backward / Pause / Play / Power buttons 3 Easy access to Hand free Talking / Volume up / Volume down / fast forward (skip) / Backward / Pause / Play / Power buttons. 4 Water-resistant rated IPx4 that means it works well with daily water splash, but no immersing. 5 Water resistant loud speaker and built-in mic for both outdoor and indoor use.