10 Best Mp 4 Players 2026 in the United States

The FiiO M21 is a solid choice if you want a portable music player that handles lots of file types and offers excellent sound quality. It has a decent 64GB of storage, which is good for storing many songs, and its Android 13 system means you can run popular music apps smoothly. The 4.7-inch screen is neither too big nor too small, making it comfortable to navigate your music library.

One of its standout features is the advanced sound hardware — four DAC chips and a special amplifier design deliver clear, detailed audio, which audiophiles will appreciate. The player supports both standard 3.5mm and 4.4mm headphone outputs, plus SPDIF and USB audio output, giving you versatile options to connect to headphones or external sound systems. The device also supports Bluetooth and Wi-Fi, so you can enjoy wireless listening and app-based streaming. It’s a bit heavier than typical players, which may affect portability slightly.

If you want a user-friendly interface with strong audio performance and the flexibility of Android apps, the FiiO M21 is a good fit. However, if long battery life and ultra-lightweight design are your top priorities, you might want to look elsewhere.

The JadeAudio/FiiO JM21 is a stylish, lightweight MP4 player that runs on a custom Android 13 system, making it easy to use and allowing access to popular music streaming apps like Spotify and Apple Music. It comes with 32GB of built-in storage, which is decent for storing a good collection of music and videos, and also supports Micro SD cards if you need more space. The 4.7-inch touchscreen offers a clear and comfortable viewing experience, suitable for watching videos or navigating menus.

One of its standout features is the powerful Snapdragon 680 processor, which helps in smooth operation without draining the battery quickly. Speaking of battery life, it provides about 12.5 hours of playback, which is enough to last through a full day of music or video without needing a recharge. Sound quality is a strong point for this player thanks to its dual flagship DACs and audiophile-grade components that deliver rich, balanced audio; it can easily drive large headphones for a satisfying listening experience. Connectivity-wise, it supports Bluetooth and Wi-Fi, allowing wireless use and easy syncing.

The device requires a 9V battery, which might be less convenient compared to built-in rechargeable batteries found in many modern players. Also, the device's thickness is just 13mm and weight around 156 grams, making it very portable and comfortable to hold. This player is an excellent choice for music lovers who want high-quality sound, good app support, and solid all-day usage in a compact package, though those seeking extended battery life or integrated rechargeable power sources might want to consider this aspect.

The HiBy R4 is a versatile MP3 and MP4 player designed for those seeking excellent sound quality combined with smart features. It offers 32GB of internal storage and supports expansion up to 2TB via microSD, allowing users to carry an extensive music and video library. Featuring a 4.7-inch high-definition screen, it is suitable for watching videos and navigating apps, though the screen size may feel small compared to larger smartphones or tablets.

Running on Android 12, the HiBy R4 provides a familiar interface and the ability to install apps like Spotify and YouTube, making it more than just a music player. Physical buttons offer quick access controls that are convenient for on-the-go use. The 4500mAh battery ensures many hours of playback before needing a recharge. Audio performance is a standout feature, with advanced components delivering clear, detailed, and distortion-free sound. It supports high-resolution audio formats including DSD and MQA. Wireless connectivity is seamless with Bluetooth 5.0 and dual-band WiFi, supporting high-quality codecs and streaming.

While the device offers a premium and unique design, the 4.7-inch display may not meet the expectations of users wanting a larger screen for video content. Additionally, the multiple connectivity options and advanced audio settings may require some learning for users less familiar with Android or complex audio devices. This player is ideal for music enthusiasts prioritizing high-fidelity audio and smart capabilities, though casual users who prefer simplicity might find it somewhat advanced.