User Manual

9. In TWS state, press and hold the host or slave key for 3 seconds, and the two models enter the shutdown state. The red light
is on for one second and then goes out
10. Switch on and enter Bluetooth mode. If no device is connected, Bluetooth will be automatically turned off after 3 minutes,
and the Bluetooth indicator will be off.
11. Connect back mode: 1. Connect back to the connected mobile phone when the phone is turned on; 2. Turn on the Bluetooth
of Android mobile phone to automatically connect back; 3. When the mobile phone is disconnected automatically after leaving
the Bluetooth receiving distance, it can be connected back before the Bluetooth stereo is automatically turned off (3 minutes)
Note: 1. The equipment has the function of automatic back connection, and there is a prompt tone after the equipment is
connected back,
2. When the speaker is not working, it will shut down automatically after 3 minutes
3. Low battery alarm at 3.4V; shutdown at 3.0V
4. Connect the mobile phone with Bluetooth to display the power
FCC Warning
a、§ 15.19 Labeling requirements.
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.
b、§ 15.21 Changes or modification warning.
Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to
operate the equipment.
c、§ 15.105 Information to the user.
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.
The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure
condition without restriction.