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Traffic safety
1. Do not hold this device while driving and comply with the regulations in your area or country.
2. The wireless device may interfere with the aircraft's flight system, please comply with the
relevant provisions of the airline, in the ban on the use of wireless equipment, please turn off this
device.
Operating environment
1. Do not charge or use this device in a dusty, humid, dirty, or near magnetic field to avoid
malfunction of the internal circuit of the device.
2. Do not use this device during lightning storms to avoid lightning or other damage.
3. Turn off this device where it is expressly prohibited to use the wireless device.
4. When this device is powered by the power adapter, the choice of the altitude of the product is
determined by the matching adapter. For the tropical environment temperature condition, keep
the ambient temperature from 0 ℃ to 40 ℃. When this device is powered by the battery, keep
the ambient temperature from -10℃ to 40 ℃. Do not use the above temperature range, when
the ambient temperature is too high or too low, may cause a malfunction.
Child health
1. This device and its accessories may contain small parts, please place them in places where
children are not accessible.
2. Children may unintentionally damage this device and its accessories, or swallow small parts to
cause suffocation or other hazards.
Environmental protection
Please comply with local laws and regulations regarding device, batteries and their accessories,
and support recovery operations. Do not dispose of device, batteries and their accessories as
ordinary household waste.
Original accessories
Use only original accessories provided by the device manufacturer. If you use any non-original
accessories, are likely to affect the performance of this device, in violation of the warranty terms
of this device and the country on the communication terminal products, the relevant provisions,
and even lead to personal harm.
Use batteries and chargers
1. When the charge is complete, disconnect the device from the power outlet device.
2. Do not connect the metal conductor to the battery, or contact the end of the battery to avoid
short circuiting of the battery, as well as physical damage caused by burnout due to overheating.
3. Do not place the battery or device around the heating equipment, such as a microwave oven,
oven or radiator.
Batteries may explode when overheated.
4. Do not disassemble or modify the battery to prevent the battery from leaking, overheating,
