Do you have a question about the QFX J-220BT and is the answer not in the manual?
Step-by-step instructions for connecting and powering the unit.
How to connect and play music from a Bluetooth-enabled device.
Instructions for playing music files from USB flash drives or SD cards.
How to record audio from radio or other sources to USB/SD.
How to operate the unit using AC power or batteries.
Instructions for tuning into and listening to radio stations.
How to insert and play cassette tapes.
Using Play, Rewind, Fast Forward, Stop, and Pause controls.
How to adjust the master volume control.
Key instructions for safe operation and handling of the device.
Warnings regarding power, ventilation, dismantling, smoke, and voltage.