User's Manual

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• Red LED turns on solid : the unit is during charging
• Red LED turns to be green: the battery is fully charged
Note: if the unit is not to be used longer than 7 days, please charge the unit for 10 minutes before turn on the unit.
z Battery level detection
Press “Volume -“ and “Volume +” together at the same time, and then the indicator working mode:
1. 4 LEDs turn on：the balance battery 76%-100%
2. 3 LEDs turn on：the balance battery 51%-75%
3. 2 LEDs turn on：the balance battery 26%-50%
4. 1 LED turns on：the balance battery 1%-25%，the user should charge the unit soon for the low battery.
Technical parameters
Note: All specifications are subject to change without notice.
Product Name: Boom box
Model Name：HL2021A
Power Supply: 12V 2A
Battery capacity: 7.4V 8000mAh
Output power: 4.5W X 2 speaker+8W X 1 subwoofer
Bluetooth Profile Supported: A2DP, AVRCP
Working range: up to 8-12m
Working atmosphere: 0℃-40℃/20%-90%RH
Maintenance
Please follow the instructions below before clear the unit
z Power off the unit first before clear
z Use a soft, dry, lint-free cloth to wipe gently
z Do not use alcohol, benzene, thinners or other chemical detergents as these can cause the casing to be warped or discolored
Storage
z If the unit will not be used for an extended period of time, power off the unit and place the unit with accessories into the package
z Do not set the unit in a damp, high temperature or the sun point-blank place
Troubleshooting
Question: Can’t pair successfully after multiple connections？
Solution：
（1） Check if the blue Bluetooth indicator lights on, if the indicator goes out, please slide the on/off switch to turn on the unit, if
the blue Bluetooth indicator doesn’t light on yet, please charge the unit
（2） Perhaps there are many Bluetooth devices around the surroundings to interfere the searching, please close the Bluetooth
function in the device you don’t need
（3） Power off and then power on the unit, to restart the Bluetooth function of the unit or your Bluetooth device
（4） Unplug the AUX cable from the unit, and re-pair the unit and the Bluetooth device
Question: The sound occurs staccato when play？
Solution：
（1） Make sure the working distance is in 8-12m
（2） Clear away the block between the unit and the Bluetooth device to prevent the poor connecting
（3） Please check if the unit and the Bluetooth device is in low battery, if so, please charge the unit and your Bluetooth device