answer
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Bluetooth headset delay of 1-2 seconds is normal.
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1. Bluetooth headphones will have a delay, but due to the level of configuration, the delay of different brands of headphones is not the same, and the delay can not be solved at present, because of Bluetooth transmission. With the Bluetooth version, the version match between Bluetooth devices, the use of the connection scene, relative position, distance, etc.
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2. The solution to the Bluetooth headset delay is as follows: Replace the headset. Sometimes it is because the Bluetooth headset version is too low that the sound delay is caused, indicating that the headset is already in a state of elimination. Find a professional store for maintenance. Because there could be a problem with the chip in the headset.
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Bluetooth headphones generally have a certain delay, but once the delay is too large, it indicates that the Bluetooth version of the Bluetooth headset is too low or the Bluetooth chip is too low, resulting in insufficient transmission rate, resulting in relatively large audio data transmission too late, resulting in sound delay