2016 IPX4 Bluetooth wireless square shower Speaker with Mic,Portable Bluetooth Speaker, Waterproof ... Bluetooth Speaker with Suction Cup Item NameBluetooth wireless square shower SpeakerMaterialSilicone + ABS PlasticBluetooth versionBK3.0Bluetooth profilesHSP, HFP, A2DP ... sucked on any smooth, flat surface including desk, wall, windows,doors, shower/pool tiling,Etc 7.Built-in Rechargeable battery ...