Portable earphone capable of increasing radio mileage

Abstract

The invention relates to the technical field of Bluetooth earphones, in particular to a portable earphone capable of increasing radio mileage, which comprises a Bluetooth earphone and a charging bin for accommodating the Bluetooth earphone, a charging bin PCBA board is arranged at the bottom of a lower charging seat, and Bluetooth radio frequency modules and pickup microphone modules are arranged in the charging bin PCBA board and an earphone PCBA board. The charging bin PCBA board and the earphone PCBA board can be in wireless connection through the Bluetooth radio frequency module, a starting key is arranged in the charging bin PCBA board and extends upwards to the surface of the lower charging base, pickup is achieved through a charging box of the earphone, the long-distance hearing aid function is achieved, audio frequency processed through WDRC is transmitted into the Bluetooth earphone through the Bluetooth radio frequency module, and the Bluetooth earphone is convenient to use. The earphone achieves the pickup range extending function, and is suitable for large-scale popularization.

Description

technical field [0001] The invention relates to the technical field of bluetooth earphones, in particular to a portable earphone capable of increasing the radio mileage. Background technique [0002] Bluetooth headset is to apply Bluetooth technology to hands-free headsets, so that users can avoid annoying wires and talk easily in various ways. Since the advent of Bluetooth headsets, it has been a good tool for mobile business families to improve efficiency. [0003] Existing bluetooth earphones can pick up external audio when worn, but the mileage of picking up audio is limited by the size of the audio and the performance of the microphone module for sound pickup. Generally, the audio is picked up within 3-5 meters, and it can be used in long-distance conferences. Or when talking at a long distance, the general bluetooth headset cannot pick up the audio, and the audio signal is also extremely unstable, which makes the audio effect received by the user not good. Therefore,...

AI Technical Summary

Problems solved by technology

[0003] Existing bluetooth earphones can pick up external audio when worn, but the mileage of picking up audio is limited by the size of the audio and the performance of the microphone module for sound pickup. Generally, the audio is picked up within 3-5 meters, and it can be used in long-distance conferences. Or in a long-distance conversation, ordinary Bluetooth headsets cannot pick up the audio, and the audio signal is also extremely unstable, which makes the audio effect of the user poor.

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