Operation Instructions

FAQ
1. Q: automatic shutdown after startup?
A: the battery level is insufficient. Please timely charge, and it is
suggested to use after charging for two hours.
2. Q: automatic shutdown or restart after the play blue lamp flashes rapidly?
Output power: 5W *2
Operating voltage: 3.7V
Frequency response: 65Hz-16KHz
Signal-to-noise ratio:≥85dBA
Distortion degree: ＜10%
Audio input: Bluetooth、TF card、AUX
Support MP3: Bit rate, 32Kbps-320Kbps
Horn impedance: 4Ω
Input power: Built-in rechargeable Li-ion Battery or
external DC5V
Adjustment form: Key adjustment
Input sensitivity: 500±50mV
In case of low battery, the system sends voice prompt and be shut down
automatically. Please timely charge at the moment; if the machine is not
used for a long term, it shall be charged at least once in a month, which
can protect the battery, and extend the battery life.
Technical specifications
Low battery
Insert an end of the power cord into [Micro interface] of the machine,
and insert USB at the other end into USB interface of the computer, or
connect it with standard 5V 1000mA charging interface. The "red lamp"
is on during charging, and the "red lamp" is off after charging.
Remarks: the overcharge protection circuit is built in the machine, which
can be connected with the computer or charger for use for a long term,
and the battery is fully charged after about 3 hours; each endurance time
of the battery will be different due to use time and volume.
Method for charging