Magnavox MR41807 Owners Manual - Page 19

 Do not place any other object between the mobile device and the QI wireless charger. The mobile device may not charge properly.  If you connect a travel adaptor to the mobile device during wireless charging, the wireless charging feature may not be available. BUILT-IN USB CHARGER: To charging the external USD Device: 1. Connect the USB Plug from the external USB Device to the USB CHARGER Port on the rear of unit. 2. The charging will auto start. 3. When finished charge, disconnect the external USB Device from the USB CHARGER Port. Notes  Check the mobile device's battery charging status using the charging icon displayed on the screen.  The unit has a built-in overload/overheats protector. If the output of the unit is overload (or short circuit). The charger will auto shut off. Unplug the external USB Device from the USB CHARGER Port. The charge will auto reset. 18