【Long playing time】: It can play up to 70 hours with 100% charging. <br> 【Can play songs without looking at the screen】: Plays / stops music, forwards / backwards music, and main operation buttons on the front of the main unit. It is convenient because you can operate without watching the screen while putting the MP3 player in the bag or pocket in the train etc. <br> [Corresponds to microSD memory card maximum 64 GB]: If you use 64GB microSDXC memory card, you can expand memory up to 72GB. You can carry around 18000 songs of sound. Recommended AGPtek microSD memory card. <br> 【Lossless sound source can also be played】: Supported music format: MP3 (MP1 / MP2 / MP3), WMA, OGG, WAV, APE, FLAC, AAC-LC, ACELP. (Corresponding to APE and FLAC in the range of 8 KHz - 48 KHz and 1000 Kbgs) <br> 【Accessories】: MP3 player (1), earphone (1), USB cable (1), Japanese instruction manual (1) <br><br> 1, Product specification: <br> Main body size: W 3.9 x H 8.9 x D 0.9 CM main body weight: about 32 g Screen: 1.7 Inch screen Contents: MP3 player main body * 1, USB cable * 1, earphone * 1, Japanese manual * 1 ,Product introduction: <br> 1. For exercise, the maximum weight is about 32 g and it is very light, easy to carry. 2. Perfect sound quality Lossless sound quality. We can cope with: 1, by operating the play mode, you can change AB Repeat and play speed, especially for language students, it is very convenient. 2, FM reception frequency: It can be adjusted to Japan's FM frequency. (Main menu) → [FM radio] → manual tuning → frequency range → Japan frequency stage. <br> Please check the following notes before purchasing · notes · The applicable goods are not affixed with the technical suit mark · There is a danger of violating the Radio Law if used in Japan