Here are some recommendations for 2.1 speakers with Bluetooth:

EDIFIER R101V and R201T: Both are 2.1 channel multimedia speakers with Bluetooth versions, suitable for use in dormitories and other spaces.

Harman Kardon SoundSticks III: This is a crystal 3rd generation audio system with 8 full frequency, 40mm bass, 10W full frequency, and 20W bass power, as well as a Bluetooth adapter.

The above information is for reference only and can be selected based on your own needs and budget.