This Bluetooth speaker from LG might be the perfect choice for you. This model uses Bluetooth for easy pairing with other devices.
From Amazon
LG Electronics XBOOM RNC9 Party speaker 20.32cm 8 inch 1 pc(s)
ShopBetter24
Mini Hifi LG RNC9 700 W
Shopaide
Mini Hifi LG RNC9 700 W