This model might, depending on yor needs, be perfect for you. Wirelss technology that is supported includes Bluetooth for easy pairing with other devices.
From Amazon
Trust Zowy Max Bluetooth Wireless Speaker - Waterproof Shower Speaker (IPX7), 14 Hour Playtime, Portable Party Speaker, Built-in Mic, Outdoor Use, PC, Laptop, iPhone, iPad - White
Shopaide
Portable Bluetooth Speakers Trust 23830 ZOWY MAX White
ShopBetter24
Portable Bluetooth Speakers Trust 23830 ZOWY MAX White