This Dunlop party speaker has a number of useful functions and supports Bluetooth and radio, among other things. The box also has an aux input, if you don't have bluetooth. The device can be operated both on the speaker itself and with the supplied remote control.
Specifications Dunlop Wireless SpeakerInput voltage: 5.0V DCBluetooth range: 10 MLinkable (TWS): YesBattery capacity: 1200 mAhPlaying time on battery: up to 5.5 hoursBluetooth frequency range: 2402 - 2480 MHz