Skip to main content
Home / MP3/MP4/iPod/Voice Recorders / RUIZU X66 MP3 Player with Clip for Sports, Running, and Students - Portable Mini Bluetooth MP4 Player

Attributes

Brand -
Category Root / MP3/MP4/iPod/Voice Recorders
Origin -
Brand RUIZU
Model Number X66
Connectivity Technology Bluetooth 5.0, Wired
Storage Capacity 32GB (Expandable up to 128GB)
Battery Life Up to 40 Hours
Screen Size 1.8 Inches
Supported Formats MP3, WMA, WAV, FLAC, APE
Special Features Clip-on Design, FM Radio, Voice Recorder
Color Black
Item Weight 1.76 Ounces

6 reviews

A

Anonymous

Mar 17, 2026

Rating: 4/5

Solid budget option

If you need a dedicated music player without spending a fortune, this is it. The bass is decent, and highs are clear. It doesn't have WiFi, which is actually a benefit for me since I want to disconnect.

A

Anonymous

Mar 11, 2026

Rating: 4/5

Great value for students

Bought this for my daughter to listen to audiobooks and lectures. The battery lasts forever, which is a huge plus. The only minor issue is that the menu system takes a little getting used to, but once you learn it, it's fine.

A

Anonymous

Mar 06, 2026

Rating: 5/5

Perfect for my morning runs!

This little player is exactly what I needed. The clip is sturdy and stays attached to my shorts even during intense sprints. Bluetooth connects instantly to my wireless earbuds, and the sound quality is surprisingly crisp for the price.

A

Anonymous

Mar 04, 2026

Rating: 5/5

No more phone distractions at the gym

I wanted something lightweight so I wouldn't be tempted to check social media while working out. This fits the bill perfectly. It's tiny, light, and the screen is bright enough to see song titles clearly.

A

Anonymous

Mar 02, 2026

Rating: 3/5

Good hardware, average software

The build quality feels solid and the clip mechanism is strong. However, transferring files can be a bit slow compared to newer devices. Still, for the price point, it does the job well enough for basic music playback.

A

Anonymous

Mar 01, 2026

Rating: 5/5

Excellent battery life

I charge this maybe once every two weeks with daily use. The 40-hour claim seems accurate. I also love the FM radio feature for listening to local news while jogging in the park.

5 FAQ

Q: Is the clip strong enough for heavy exercise?

A: Yes, the clip is designed with a strong spring mechanism to securely attach to waistbands, shirt collars, or gym bags during vigorous activities.

Q: Does it come with wired earphones in the box?

A: Yes, the package includes a pair of standard wired earphones, a USB charging cable, and a user manual.

Q: Can I expand the storage if 32GB is not enough?

A: Absolutely. The player has a microSD card slot that supports cards up to 128GB, giving you plenty of room for more music and audiobooks.

Q: Does this device support connecting to Bluetooth headphones?

A: Yes, the RUIZU X66 features Bluetooth 5.0, allowing you to connect wirelessly to compatible headphones and speakers.

Q: How long does it take to fully charge the battery?

A: A full charge typically takes about 2 to 3 hours using the included USB cable and a standard 5V adapter.

Explore your interests

View More
All Categories
Best Seller (30)
New List (30)
Outdoor Waterproof Backpack Camouflage Dry Bag with Wet/Dry Separation for Swimming, Rafting, and Trekking

Outdoor Waterproof Backpack Camouflage Dry Bag with Wet/Dry Separation for Swimming, Rafting, and Trekking

$8.42

[Save $50 on Order] Bundle: 5 Notebooks + 2 Pens + 20 Refills + 2 Grip Correctors

[Save $50 on Order] Bundle: 5 Notebooks + 2 Pens + 20 Refills + 2 Grip Correctors

$39.90

Sketching Tool Set for Art Students - Includes Blending Stumps, Tortillons, Paper Stumps, Sponge Balls, Cotton Swabs, Highlight Pens, Gray Tone Tools, Insert Knives, Smudging Knives, Scrapers, and Blending Cotton

Sketching Tool Set for Art Students - Includes Blending Stumps, Tortillons, Paper Stumps, Sponge Balls, Cotton Swabs, Highlight Pens, Gray Tone Tools, Insert Knives, Smudging Knives, Scrapers, and Blending Cotton

$7.65

Suede Rope Korean Velvet Rope DIY Aromatherapy Candle Plaster Tag Hanging Cord Packaging Gift Box Ribbon Decorative Leather Rope

Suede Rope Korean Velvet Rope DIY Aromatherapy Candle Plaster Tag Hanging Cord Packaging Gift Box Ribbon Decorative Leather Rope

$0.85

[Damai Holds Microneedle Hair Transplant Patent] Hair Collagen | Improves Hair Loss, Nourishes Dermis and Follicles

[Damai Holds Microneedle Hair Transplant Patent] Hair Collagen | Improves Hair Loss, Nourishes Dermis and Follicles

$1,980.00

Selected Factory Low-Temperature 3D Printing Pen for Kids, Children's 3D Printing Pen Set, 3D Drawing Pen

Selected Factory Low-Temperature 3D Printing Pen for Kids, Children's 3D Printing Pen Set, 3D Drawing Pen

$100.02

Milk Pasteurization Line - Small-Scale Yogurt Production Machine for Liquid Yogurt and Pasteurized Milk

Milk Pasteurization Line - Small-Scale Yogurt Production Machine for Liquid Yogurt and Pasteurized Milk

$8,148.00

Commercial Small Heating Warmer Cabinet, Glass Constant-Temperature Countertop Display Case for Egg Tarts, Burgers, and Fried Chicken

Commercial Small Heating Warmer Cabinet, Glass Constant-Temperature Countertop Display Case for Egg Tarts, Burgers, and Fried Chicken

$884.00

Custom Seal Stamp Engraving Personal Name Phone Number Private Chop

Custom Seal Stamp Engraving Personal Name Phone Number Private Chop

$5.89

Commercial Food Warmer Cabinet for Milk, Soy Milk, Burgers, Egg Tarts, Fried Chicken, Pies, Youtiao, and Bread Display

Commercial Food Warmer Cabinet for Milk, Soy Milk, Burgers, Egg Tarts, Fried Chicken, Pies, Youtiao, and Bread Display

$1,355.00

PJ0040 Rose Embossed Cross Silicone Mold - For Candles, Aromatherapy, Soap, Plaster, and DIY Crafts

PJ0040 Rose Embossed Cross Silicone Mold - For Candles, Aromatherapy, Soap, Plaster, and DIY Crafts

$11.20

Yuwell Oxygen Concentrator Control Board Motherboard 8F-3AW/8F-5AW/9F-5BW

Yuwell Oxygen Concentrator Control Board Motherboard 8F-3AW/8F-5AW/9F-5BW

$120.00

Leyingfang Floating Pen for Kids and Students - Water-Based Non-Toxic Erasable Whiteboard Pen for Drawing in Water, Large Capacity Suspension Pen

Leyingfang Floating Pen for Kids and Students - Water-Based Non-Toxic Erasable Whiteboard Pen for Drawing in Water, Large Capacity Suspension Pen

$18.00

Car Wheel Lug Nut Covers - Colorful Silicone Dust-Proof and Rust-Proof Caps for Tire Bolt Protection and Exterior Styling

Car Wheel Lug Nut Covers - Colorful Silicone Dust-Proof and Rust-Proof Caps for Tire Bolt Protection and Exterior Styling

$8.80

Automatic Stainless Steel Vegetable Slicer for Ginger, Potatoes, Carrots, Onions, and Cabbage - Commercial Dicing Machine

Automatic Stainless Steel Vegetable Slicer for Ginger, Potatoes, Carrots, Onions, and Cabbage - Commercial Dicing Machine

$3,951.36

[Damai Holds Micro-Needle Hair Transplant Patent] Top Thinning Hair Transplant | Micro-Needle Density Enhancement (500 Units)

[Damai Holds Micro-Needle Hair Transplant Patent] Top Thinning Hair Transplant | Micro-Needle Density Enhancement (500 Units)

$7,000.00

Little Leather Paper Strip Music Box (30-Note) Sheet Music - Contact Before Ordering; Specify Song Email for Digital Score Delivery

Little Leather Paper Strip Music Box (30-Note) Sheet Music - Contact Before Ordering; Specify Song Email for Digital Score Delivery

$1.00

Kitchen Sink Strainer Basket Push-Type Food Residue Separator Filter Hanging Storage Rack

Kitchen Sink Strainer Basket Push-Type Food Residue Separator Filter Hanging Storage Rack

$3.80

Heavy-Duty Heat-Treated CV Joint Puller Tool - Axle Ball Cage Removal and Installation Device for Automotive Repair

Heavy-Duty Heat-Treated CV Joint Puller Tool - Axle Ball Cage Removal and Installation Device for Automotive Repair

$66.00

Mobile Integrated Waste Transfer Station - 17 Cubic Meters Movable Compression Container

Mobile Integrated Waste Transfer Station - 17 Cubic Meters Movable Compression Container

$159,443.00

Antique Glaze White Ceramic Brush Washer Large Brush Washer Water Pot Ink Stone Washing Calligraphy Painting Brush Washing Basin Four Treasures of the Study

Antique Glaze White Ceramic Brush Washer Large Brush Washer Water Pot Ink Stone Washing Calligraphy Painting Brush Washing Basin Four Treasures of the Study

$16.80

Authentic Chinese Philosophy Classics: Di Tian Sui, Qiong Tong Bao Jian, San Ming Tong Hui - Annotated & Illustrated Edition

Authentic Chinese Philosophy Classics: Di Tian Sui, Qiong Tong Bao Jian, San Ming Tong Hui - Annotated & Illustrated Edition

$29.90

Household Disposable Kitchen Sink Garbage Filter Mesh Drain Pool Dishwashing Basin Strainer Vegetable Bowl Leftover Sink

Household Disposable Kitchen Sink Garbage Filter Mesh Drain Pool Dishwashing Basin Strainer Vegetable Bowl Leftover Sink

$3.51

Continental Run-Flat Tires: 225/235/245/255/265 45/50/55 R17/R18/R19/R20/R21/R22

Continental Run-Flat Tires: 225/235/245/255/265 45/50/55 R17/R18/R19/R20/R21/R22

$357.00

Foldable Steel Tire Stone Removal Hook - Multi-Tool for Tire Repair, Stone Picking, and Emergency Window Breaking with Storage Bag

Foldable Steel Tire Stone Removal Hook - Multi-Tool for Tire Repair, Stone Picking, and Emergency Window Breaking with Storage Bag

$11.70

Integrated Catalytic Combustion Unit RCO Furnace - Exhaust Gas Treatment System with Activated Carbon Adsorption-Desorption and Catalytic Combustion

Integrated Catalytic Combustion Unit RCO Furnace - Exhaust Gas Treatment System with Activated Carbon Adsorption-Desorption and Catalytic Combustion

$231,249.00

Universal Waterproof and Sunproof Cover for E-Bike Charger with Outdoor Storage Box

Universal Waterproof and Sunproof Cover for E-Bike Charger with Outdoor Storage Box

$11.85

Baohong Paper Brick Watercolor Paper Pad, Medium/Coarse Texture, Square/Round Shapes for Painting, Sketching, and Cotton Pulp Practice

Baohong Paper Brick Watercolor Paper Pad, Medium/Coarse Texture, Square/Round Shapes for Painting, Sketching, and Cotton Pulp Practice

$28.00

Commercial Food Warmer Cabinet for Pies, Youtiao, Burgers, Egg Tarts, and Fried Chicken, Heating and Temperature-Controlled Display Case

Commercial Food Warmer Cabinet for Pies, Youtiao, Burgers, Egg Tarts, and Fried Chicken, Heating and Temperature-Controlled Display Case

$977.00

Masking Tape Spray Paint Shielding Paper for Art Students and Sketching - Non-bleeding, Residue-free, Hand-tearable, Shoe-safe

Masking Tape Spray Paint Shielding Paper for Art Students and Sketching - Non-bleeding, Residue-free, Hand-tearable, Shoe-safe

$1.00