User Manual

Within about 10 meters, the stereo will automatically connect.
15. Low power alarm: when the sound is lower than 20% and the power is 3.5V, the low power
prompt sound "battery low" will be given every 150 seconds.
16. Low power off: when the sound is lower than the normal working power 3.2, the sound will
automatically turn off, and the prompt sound "power off"
17. Shutdown: manual shutdown - turn the toggle switch to the off direction, and the prompt
sound "power off".
How to charge the audio battery
1. There is a USB charging interface on the back of the audio. Plug in the USB cable to enter the
charging mode.
2. The indicator light of the audio is blue when charging. The stereo is fully charged, and the four
indicator lights are on for a long time.
At the same time of charging the audio, four indicator lights will display the power of the charging
box, 1-25% power display 1 grid blue light 26-50% power display 2 grid blue light
51% ~ 75% power display shows 3 grid blue lights, 76% ~ 100% power display shows 4 grid blue
lights.
NOTE: This equipment has been tested and found to comply with the limits for a
Class B digital device, pursuant to part 15 of the FCC Rules. These limits are
designed to provide reasonable protection against harmful interference in a
residential installation. This equipment generates uses and can radiate radio
frequency energy and, if not installed and used in accordance with the instructions,
may cause harmful interference to radio communications. However, there is no
guarantee that interference will not occur in a particular installation. If this
equipment does cause harmful interference to radio or television reception, which
can be determined by turning the equipment off and on, the user is encouraged to
try to correct the interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
-Connect the equipment into an outlet on a circuit different from that to which the
receiver is connected.
-Consult the dealer or an experienced radio/TV technician for help
Changes or modifications not expressly approved by the party responsible for compliance
could void the user's authority to operate the equipment.
This device complies with Part 15 of the FCC Rules. Operation is subject to the following
two conditions:
(1) this device may not cause harmful interference, and
(2) this device must accept any interference received, including interference that may
cause undesired operation.