Function and parameter prompts:
This MP4 is a standalone plug-in version that requires a TF card to be used.
MP4 connected computers can only support Windows 7 systems, not Apple systems.
Equipped with Bluetooth function, can only connect Bluetooth headphones and Bluetooth audio, cannot connect to mobile Bluetooth.
Android phones require OTG functionality to connect, which is not supported on Apple systems.
Smartphones with OTG function can be downloaded using the OTG adapter link, and can be used by downloading music in MP3 format
If there is no Windows 7 system, you can first press the TF card to pop it up and use the card reader to link to the computer to download
MP3 format music before reinstalling it for use.
MP3 music and video formats support tips:
Audio format support: MP3 format.
Video format: The standalone card insertion version supports AVI.
Downloading videos requires a conversion tool to convert the video format.
Storage capacity: supports up to 128G cards
Maximum output power: 18mW * 2
Frequency response range: 20Hz-20KHz
Signal to noise ratio (dB): 90
Total harmonic distortion: less than 0.05%
File access function:
Battery type: built-in lithium battery (built-in)
Screen size: 1.8 inch color screen
Playback time (hours): approximately 7 hours
Standby time (hours): above 24 hours
Audio format support: wav/mp3
Supports listening to music, watching videos, recording machines (WAVs),and e-books (in txt format)
3.5mm audio jack, driverless USB memory stick, multiple national languages
Input: 5.0V, 500MA 600MAH battery
