Mobile phone and MP3 can be paired via Bluetooth. After pairing, download the e-book file on the mobile phone and send it to MP3 via Bluetooth. If the mobile phone supports OTG function, you can connect MP3 through OTG and move e-book files into MP3 in the file manager.
Bluetooth technology is an open global specification for wireless data and voice communication. It is a special short-distance wireless technology connection based on low-cost short-distance wireless connection, which establishes a communication environment for fixed and mobile devices.
Summary of village-level comprehensive management in the first half of 2022 1
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