The updated manual clarifies USB drive compatibility:
Complies with FCC Part 15 rules (may accept received interference) [2] technika spb112 user manual updated
Reading the reveals hidden functions that transform the SPB112 from a simple speaker into a versatile tool. : Long press the Power ON/OFF button to activate
Congratulations on purchasing the Technika SPB112, a high-quality [product category] designed to provide you with efficient and reliable performance. This user manual is intended to guide you through the safe and proper use of your new device. Connect the barrel jack to the back of
: Long press the Power ON/OFF button to activate. You will typically hear a voice prompt, and the LED will blink blue to indicate it is in pairing mode. Audio Inputs : Bluetooth : Supports version 2.1+EDR and above.
Connect the barrel jack to the back of the unit labeled "DC 12V IN". Plug into a surge-protected outlet. Updated warning: Do not use a USB power source; the SPB112 requires 12V, not 5V.