RUIZU 64GB USB MP3 Player with Bluetooth 5.3, Clip Jam

Quick take

This clip-on USB MP3 player gives you a simple way to load music onto 64GB of built-in storage, then play it via Bluetooth (to wireless headphones or speakers) or through the 3.5mm wired connection. It also adds FM radio, a voice recorder, and multiple playback modes for everyday training or low-fuss listening. The big catch is compatibility, Bluetooth pairing is not meant for computers, cars, or phones directly, so your setup depends on OTG for phone transfers and AUX for car audio.

Pros and cons

Pros

  • Clip design for hands-free use while running, hiking, or commuting
  • Bluetooth 5.3 pairing with compatible wireless headphones or speakers, plus 3.5mm wired output for car audio
  • Up to 20 hours of music playback with a built-in 250mAh rechargeable battery (and about 2 hours to recharge)
  • Includes FM radio, voice recorder, and an equalizer with preset options
  • Supports multiple audio formats (MP3, WMA, FLAC, WAV, and more)

Cons

  • Bluetooth is not intended for use with computers, cars, or smartphones, so you need an OTG-based approach for phone transfers and AUX for in-car playback
  • Limited control options for some users due to small buttons/touch controls, which can be fiddly
  • No obvious way to expand storage beyond the included 64GB, so music libraries may require more organization
  • Bluetooth range may not be ideal in every environment (limited evidence, but setup-dependent)

What buyers think

Reviewed productBuy on Amazon

Buyer-review evidence is mixed but still useful. Many people highlight the compact USB-stick form factor, the clip, and the straightforward “attach and play” workflow, especially for commuting or workouts. Several reviews also call out practical real-world performance, including solid battery life for day-to-day listening and Bluetooth that can work well at typical indoor distances. On the other hand, some buyers report difficulty with the controls (small/touch-style navigation) and frustration finding the right folder or playlist quickly. A few reviewers also mention that sound quality and Bluetooth range may feel underwhelming depending on setup and expectations, so fit depends on how you plan to use the player.

What this is, and who it’s for

The RUIZU Clip Jam is designed for people who want a dedicated, pocketable music player without relying on a phone app. It stores music internally (64GB), supports folder-based organization and multiple repeat/shuffle modes, and gives you two main ways to listen: wired audio through the 3.5mm connection, or wireless audio via Bluetooth 5.3 to headphones or speakers.

This is especially well suited for:

  • Sports and outdoor use where a clip-on player keeps your hands free
  • Car commuters who prefer AUX playback (AUX cable not included)
  • Gym bags or “leave your phone at home” routines
  • Users who value FM radio and quick voice recording (notes, lectures, reminders)

Key features that matter in daily use

Bluetooth 5.3 plus wired audio

Bluetooth is meant for connecting the player to wireless audio gear, such as headphones or Bluetooth speakers. If you want music in a car, the wired 3.5mm AUX path is the straightforward route, since Bluetooth is not positioned for direct phone or car integration.

64GB internal storage, built-in organization, and playlist behavior

With 64GB onboard memory, you can build your library directly on the device and then play by folder. Some buyers appreciate the USB-stick workflow and folder approach, while others wish for more straightforward playlist behavior. If your library is large, plan to organize intentionally so navigation stays quick.

Battery life for workouts and travel days

Battery performance is a major selling point, with up to 20 hours of music playback cited, along with fast recharge time (about 2 hours). That makes it practical for day-long listening routines where you do not want to think about charging constantly.

FM radio and voice recorder

Beyond playback, it includes FM radio with manual and auto tuning options, plus voice recording with resume playback behavior. This combination can be appealing if you want one device that handles music and quick audio capture.

Equalizer and playback modes

An equalizer with preset options (such as Rock, Funk, Hip-hop, Jazz, Classical, Techno) lets you shape the sound to your taste. You also get repeat and shuffle style controls, including options like shuffle repeat, playlist loop, and single-track repeat.

Compatibility and setup notes (the part to verify before buying)

Reviewed productBuy on Amazon

Bluetooth pairing limitations

Bluetooth is intended for wireless headphones or speakers. It is not designed to connect to computers, cars, or smartphones. If your goal is Bluetooth streaming from a phone, this is likely not the right category fit.

Phone file transfer via USB and OTG

The device supports USB and OTG for moving music from a smartphone or computer/laptop. An OTG cable or adapter is required for phone transfers, and your phone must support OTG. For best results, transferring files in smaller batches (under 1GB) can help avoid transfer issues.

Car audio approach

If you want to use it in a car, plan for the 3.5mm AUX connection. The AUX cable is not included, so factor that into your setup.

Pros and cons in context

Pros for the right buyer

  • If you want a clip-on, offline music player that does not require a phone during playback, the form factor and built-in storage are a strong match.
  • If you need both wireless listening (to headphones/speakers) and a reliable wired option (for car AUX), you get both pathways.
  • If you care about extra functions, FM radio, voice recording, and equalizer presets make it more than a basic MP3 stick.

Cons that can affect satisfaction

  • Controls may be a challenge for users with larger fingers or low tolerance for tiny navigation, including some touch-style interactions.
  • Some buyers may find folder and playlist navigation slower than expected, especially when you want rapid changes mid-workout.
  • If you need frequent large-library growth, the lack of expandable storage (beyond the included 64GB) can be limiting.

Price and availability

Check current pricing and shipping status on Amazon, since deals and availability can change. Buy on Amazon.

Verdict

The RUIZU 64GB USB MP3 Player with Bluetooth 5.3, Clip Jam, is a practical choice for shoppers who want a dedicated, clip-on music player with offline playback, FM radio, and voice recording. It can be a good fit for workouts and travel, as long as you plan around its Bluetooth limitations (Bluetooth for headphones and speakers, not direct phone or car pairing) and you are comfortable organizing music by folders within the 64GB storage.

FAQs

Does the RUIZU Clip Jam connect to a smartphone via Bluetooth?

No. Bluetooth is not intended to connect to smartphones. For phone transfers, you’ll use USB and OTG, and then play audio from the player.

Can I use it in my car?

Yes, with the 3.5mm AUX connection. Bluetooth is not positioned for direct car integration, and an AUX cable is not included.

How long does the battery last?

It’s rated for up to 20 hours of music playback on a full charge, and recharge time is about 2 hours.

What audio formats does it support?

It supports formats including MP3, WMA, APE, FLAC, WAV, and additional formats listed by the device, such as OGG and others.

Does it have FM radio and voice recording?

Yes. It includes FM radio tuning and a voice recorder feature with resume playback behavior.

Is storage expandable beyond 64GB?

The device is built around the included 64GB internal storage. Storage expansion is not described as part of the core setup, so treat 64GB as your available library size.

Specifications

Product TitleRUIZU 64GB USB MP3 Player with Bluetooth 5.3, Clip Jam Portable Music Player for Sports Running, USB MP3 Player Stick with FM Radio, Voice Recorder, Digital Audio Shuffle Repeat, Phone File Transfer
CategoryElectronics > Portable Audio & Video > MP3 & MP4 Players
BrandRUIZU
ManufacturerRUIZU
Model NameX55
Model NumberX55
ColorBlue
Additional FeaturesBuilt-In Clip, Equalizer, FM Radio, Voice Recorder
Connectivity TechnologyAux, Bluetooth, USB
Memory Storage Capacity64 GB
Screen Size1 Inches
Compatible DevicesHeadphone, Speaker
Supported Media TypeInternal Flash Memory
Display TechnologyLCD
Supported StandardsMP3, WMA, APE, FLAC, WAV, DRM, ACELP, OGG
Battery Average Life20 Hours
Built-In Media1 x 3.5mm Wired Stereo Headphones, 1 x RUIZU USB MP3 Player with Bluetooth, 1 x USB to USB Adapter Cable, 1 x User Manual
Mfr Part NumberTH55BluUS
Warranty DescriptionAny question, please contact us at email [email protected]
Component TypeBattery, Display, Memory
Unit Count1.0 Count
Special FeatureBuilt-In Clip, Equalizer, FM Radio, Voice Recorder
Media TypeInternal Flash Memory
Included Components1 x 3.5mm Wired Stereo Headphones, 1 x RUIZU USB MP3 Player with Bluetooth, 1 x USB to USB Adapter Cable, 1 x User Manual 1 x 3.5mm Wired Stereo Headphones, 1 x RUIZU USB MP3 Player with Bluetooth, 1 x USB to USB Adapter Cable, 1 x User Manual See more

Available variants

Color

  • Purple
  • Blue

Capacity

  • 64GB

Recommended next