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Important note: The images in the mall are for reference onlyDue to lighting conditions during photography, there may be slight color differences between the actual product and the images Our factory primarily caters to foreign trade clients and does not accept domestic retail ordersAll MP3/MP4 products are shipped in the English version Many buyers do not use MP3 format music and thus misunderstand the quality of the product. Just a reminder, the downloaded music must be in MP3 format. If you don't know how to download, we can help you download the music To download music, please use QQ Music, NetEase Cloud, Kugou, Kuwo Music or other music software to download getmp3You can also use other music players for downloading from overseas Do not use YouTube for downloading Music files downloaded from YouTube cannot be used and require the use of specialized conversion software to change the format. The maximum decoding range for the downloaded music format is 16bit, 192kbps, and the F LAC format cannot exceed 48kHz, with an audio sampling rate of 44100 The electronic version of the novel document must be in TXT format, encoded in UTF-8 Our store has ample stock and ships quickly, with regular deliveries during holidays Function and Parameter Tips: This MP4 player has a built-in capacity of 8GB/16GB and also supports the insertion of an additional TF card. It supports up to 128GB memory cards The standalone card-insert version requires a TF card to be inserted in order to use It has Bluetooth functionality and can only connect to Bluetooth headphones and Bluetooth speakers, not to mobile phones via Bluetooth The computer connected to the MP4 player only supports the Windows 7 system and does not support the Apple system Android phones need to have OTG functionality to connect, but Apple systems do not support it Smartphones with OTG function can use an OTG adapter to connect and download music in MP3 format for use MP3 music and video format support tips: Audio form at support: MP3 format Video format: The built-in storage version supports AMV, and the standalone card-insert version supports AVI Downloading videos requires a conversion tool to change the video format The standalone card-insert version does not have FM functionality Storage capacity: Supports up to 128GB 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 Screen size: 1.8inch color screen Playback time: approximately 6 hours Standby time: more than 24 hours Supported audio formats: wav/mp3 Supports listening to music, watching videos, recording in wav format, and e-book in txt format 3.5 mm audio jack Input: 5.0V, 500MA 600MAH current Machine dimensions: 90mmX38.8mmX8.5mm The built-in capacity model has multiple menu languages: Simplified Chinese, Traditional Chinese, English, Russian, French, Spanish, Portuguese Portuguese, Japanese, Korean, Indonesian, Dutch, French, Italian, Danish, Hungarian, New Zealand, Norway, Finland, Turkish, Chinese, etc The standalone card-insert model supports 6 national languages, including Simplified Chinese and English