We tested the communication distance:

• When we conduct a call test along the coast and seaside, it can reach about 3 miles without any obstacles such as tall buildings or other mountains.
• Near the center of many tall buildings in the city, it can reach about 0.6 miles.
• So the actual communication distance depends on the obstructions of the terrain environment where you are using the call.

• Frequent use can last for 8-12 hours, longer if moderately use.
• 3-4 hours to fully charge a battery with 0 capacity.
• The longest standby time when turned on can reach about 5 days.

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