1, Do not use the machine in extremely cold, dusty and humid environments.
2,Do not fall, hit, shake violently when using.
3,The body around should maintain moderate ventilation, otherwise it is easy to
cause temperature rise in the machine, then finally damage circuit.
4,When you move it, please turn off , disconnected with other device.
5,The surface of speaker should avoid contacting with corrosive liquids and gases,
should not be placed in direct sunlight place for a long time.
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