At £70 the Edifier R33BT desktop bookshelf bluetooth speakers from Edifer look the biz. Made with a MDF Wooden Enclosure and featuring 3.5mm AUX input and Bluetooth 5.0 connections.
The speakers have a 1/2-inch tweeter and 3.5 inches mid/bass driver and a total power of 10 watts RMS to deliver a quality sound.
Bluetooth Version: V5.0 RMS: R/L 5W+5W
Frequency Response: 70Hz-20KHz
Noise Level: ≤25dB
Signal-To-Noise Ratio: ≥85dB(A)
Distortion: ≤7%
Input Type: AUX/Bluetooth
Input Sensitivity: AUX: L/R: 500±50mV, Bluetooth: L/R: 500±50mFFs
Currently £69.99 on Amazon here.