"30g of Zero Presence: Doesn't Get in the Way During Exercise or Commuting" This MP3 player achieves an astonishing lightness of approximately 30g (about seven 100-yen coins). It offers a feeling of "zero presence," as if you're carrying nothing at all. You won't feel the weight even when you put it in your pocket or bag. This lightness is especially beneficial during active times like jogging, yoga, and running, or even during busy days, as it will never hinder your movements. You can enjoy music freely with the feeling that it "doesn't get in the way." You'll experience a comfortable feeling that won't tire you, even when carrying it for long periods without being bothered by the weight. You can casually and relaxedly immerse yourself in music in any situation, such as commuting to school or work, long trips, or long waiting times. "Latest Bluetooth 5.0 and OTG Function" This digital player is equipped with cutting-edge technology. First, the latest Bluetooth 5.0 technology completely frees you from the hassle of wires. It achieves 30% higher connection stability and up to 2x faster transmission speeds compared to older versions. Pairing with your favorite wireless earphones and speakers (※not compatible with smartphones/PCs) becomes smoother, and music playback is less likely to be interrupted even at a distance of up to 10m (without obstacles). Furthermore, it also supports the convenient OTG (On-The-Go) function. By simply connecting a smartphone that supports the OTG function with an OTG cable, you can transfer files without a computer. "HiFi High-Quality Sound & Built-in Speaker to Share the World of Music Anywhere!" This music player supports audio playback in formats such as MP3, WMA, WAV, APE, FLAC, and OGG, achieving an amazing HiFi high-quality sound that significantly enhances your music experience. It delivers a clear and deep sound that sets it apart from conventional players. Vocals are clear, and the sounds of instruments are vibrant, allowing you to rediscover the appeal of music you never knew. By achieving high-quality sound that faithfully reproduces even subtle nuances, your beloved songs will transform into a more emotionally rich and immersive experience. Furthermore, a significant feature of this audio player is its built-in speaker! You can play sound directly from the player itself in situations where you don't want to use earphones or headphones, or when you want to enjoy music with multiple people.