• True Wireless In-Ear Earbuds
  • True Wireless In-Ear Earbuds
  • True Wireless In-Ear Earbuds
  • True Wireless In-Ear Earbuds
  • True Wireless In-Ear Earbuds
  • True Wireless In-Ear Earbuds

True Wireless In-Ear Earbuds

Mietubl MTB-BL32 True Wireless In-Ear Earbuds featuring 0.06ms ultra-low latency, 20+ hours total playtime, and IPX4 waterproof rating. Available for OEM/ODM.

Model: MTB-BL32
Category: Earbuds
True Wireless In-Ear Earbuds Introduction

Wireless Freedom Designed for Everyday Life

Whether you’re commuting through a busy city, taking calls between meetings, or relaxing with your favorite playlist at night, the MTB-BL32 True Wireless In-Ear Earbuds is designed to make every listening moment feel effortless, immersive, and comfortable.

MTB-BL32 True Wireless In-Ear Earbuds

Bluetooth 5.4 ,HiFi sound

Built with Bluetooth 5.4 technology, HiFi sound tuning, and ergonomic in-ear comfort, the MTB-BL32 delivers the kind of experience users actually care about: stable connection, clear calls, long battery life, and all-day wearability — without unnecessary complexity

MTB-BL32 True Wireless In-Ear Earbuds Black Design

Ultra-Low Latency for Smooth Gaming & Video

Powered by Bluetooth 5.4, the MTB-BL32 offers low latency down to 0.06ms, helping audio stay synchronized with video and gameplay.

  • Less delay while gaming
  • Better lip-sync when watching videos
  • Faster and more stable wireless transmission
Wireless Earbuds

Comfortable In-Ear Fit That Stays Secure

The ergonomic in-ear structure is designed to fit naturally inside the ear, helping the earbuds stay secure even during walking, commuting, or light workouts.

The lightweight body and smooth curved shape reduce pressure during long wear, making them suitable for: Daily commuting / Office use /Online meetings / Fitness and travel.

 In-Ear Wireless Earbuds

ENC Noise Reduction for Clearer Calls

Busy streets, cafés, and public transport can make phone calls frustrating. The MTB-BL32 features ENC call noise reduction to help isolate the user’s voice and reduce surrounding environmental noise during conversations.

True Wireless In-Ear Earbuds with Noise Cancellation Design

Long Battery Life for All-Day Listening

The MTB-BL32 is designed for users who don’t want to recharge constantly.

  • Over 5 hours of playback on a single charge
  • Charging case supports approximately 3 additional full charges
  • Fast charging time of around 80 minutes
Long Battery Life  earbuds

OEM/ODM Customization Capabilities

Make it uniquely yours. We provide comprehensive customization services for bulk orders to help you build your brand equity, including:Full-color retail boxes, localized user manuals, and Amazon barcode labeling (FBA ready).

True Wireless In-Ear Earbuds OEM Support
True Wireless In-Ear Earbuds Specification
Product NameTrue Wireless In-Ear Earbuds
Product ModelMTB-BL32
Product TypeTrue Wireless In-Ear Earbuds
Bluetooth VersionBluetooth 5.4
Driver Unit13mm Dynamic Driver
Audio CodecAAC / SBC
LatencyAs low as 0.06ms
Noise ReductionENC Call Noise Cancellation
&Waterproof RatingIPX4
Earbud Battery Capacity30mAh
Charging Case Battery250mAh
Playback Time5+ Hours
Voice AssistantSupported
Color OptionsBlack / White
What’s Included1 × Pair of MTB-BL32 Earbuds
1 × Charging Case
1 × Charging Cable
1 × User Manual
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Warranty and Maintenance

When using the product, please read the following suggestions to help you comply with the terms of the warranty and extend the life of the product.

1. Keep the product dry and do not place the product in a damp place, so as not to affect the internal circuitry of the product.

2. Avoid using the product during intense exercise or sweating to prevent sweat from penetrating the product and damaging it.

3. Do not place the product in the sun or high-temperature places high temperatures will shorten the life of electronic components, damage the battery, and make some plastic parts deformed.

4. Do not place the product in a cold place, so as not to damage the internal circuit board.

5. Do not try to disassemble the product if non-professionals may damage the product.

6. Do not drop, vibrate strongly, or hit the product with a hard body to avoid damage to the internal circuitry.

7. Do not use strong chemicals or cleaning products. If you need to clean, please use neutral solvents or water.

8. Do not scratch the surface of the product with a sharp body, so as not to damage the shell and affect the appearance of the product does not work properly, please send it to your qualified repair organization.