This Bluetooth speaker from Manhattan might be the perfect choice for you. Supports Bluetooth for easy pairing with other devices.
From Amazon
Manhattan - Products Sound Science Bluetooth Speaker - Wireless Bluetooth Speaker, Box, LED Light, Music, MicroSD Slot - 3.5 mm Jack Socket, NA
OnBuy
Manhattan Sound Science Bluetooth Speaker (promo), 5 hour, Range 10m, microSD card reader (32GB), USB-A cable, 1200mAH battery, Bluetooth v5, White