2.0 Bluetooth Computer Speakers, USB Powered & 3.5 mm AUX PC Speakers with Easy-

【3.5 Aux Mode】Simply connect the speaker to a USB port for power, press the "M" button to switch to AUX mode, and transmit audio via the 3.5mm jack. Search for and connect to “C30” on your device. To clear and reset the Bluetooth connection, long-press the light button for 3 seconds.

eBay