Tiny Tunes: autrebits 28CBT Wireless Earbuds Pack Lightweight Audio Power

Published on June 25, 2023, 8:41 p.m.

On the hunt for featherlight earbuds that won’t break the bank? Enter the petite and powerful autrebits 28CBT Wireless Earbuds. These compact buds offer robust audio and snug comfort in an ultra-portable package. Let’s check out why these tiny tunes might be music to your ears!

 autrebits 28CBT Wireless Earbuds


Tipping the scales at just 4.6g per bud, the autrebits 28CBT Wireless Earbuds deliver surprisingly mighty sound. Outfitted with Bluetooth 5.2 and 10mm dynamic drivers, these petite powerhouses pump out awesome audio with thumping bass. With up to 26 hours of battery life, IPX4 sweat resistance, and a pocketable charging case, the autrebits 28CBT Wireless Earbuds buds cover all the wireless basics.


  • Ultra lightweight at only 4.6g per bud
  • Bluetooth 5.2 for efficient connectivity
  • 10mm drivers produce bold sound with emphasized bass
  • Up to 6.5 hours playtime, 20 extra hours with charging case
  • IPX4 rating resists sweat and splashes
  • Ergonomic and removable eartips for customized fit
  • Easy tap controls for music, calls, and voice assistants
  • Works seamlessly with iOS and Android devices

 autrebits 28CBT Wireless Earbuds


The autrebits 28CBT Wireless Earbuds feature a low-profile, contoured design that fits ergonomically into the ear canal. Their compact charging case has a matching black finish with chrome accents and LEDs. The buds themselves have an understated aesthetic that blends in when worn.

 autrebits 28CBT Wireless Earbuds

Fit and Comfort

Thanks to the included removable eartips in 4 sizes, it’s easy to find a super secure and relaxed fit for your ears. The autrebits 28CBT Wireless Earbuds buds feel like featherweights when worn, barely noticeable during activity or relaxation. Their ergonomic shape nestles into the ear canal comfortably without pressure.

Audio Quality

While their size may be small, the autrebits 28CBT Wireless Earbuds deliver huge sound. The 10mm dynamic drivers pump out surprisingly powerful bass you can feel. Mids and highs come through crisp and vibrant. Bluetooth 5.2 ensures a stable wireless connection for uninterrupted listening.

 autrebits 28CBT Wireless Earbuds

Ease of Use

Bluetooth pairing is quick and hassle-free. The onboard tap controls provide easy access to play/pause music, handle calls, and activate voice assistants. The automatic on/off function when removing/replacing the earbuds in the case adds convenience.

Build Quality

While plastics are used for durability and weight reduction, the autrebits 28CBT Wireless Earbuds feel solidly constructed with no creaking or weak points. The case’s smooth metallic accents look stylish and resist scratches. Overall quality exceeds expectations for the low price point.

Microphone Performance

Each earbud contains a built-in microphone that delivers clear voice pickup for phone calls and voice assistant use, even in noisier environments. Voices sound detailed and natural.

Noise Isolation

While not actively noise cancelling, the sealed in-ear design provides reasonable passive isolation from ambient sounds when music is playing. Leakage is also kept to a minimum for bystanders.

 autrebits 28CBT Wireless Earbuds

Battery & Playtime

The lithium polymer batteries deliver extremely impressive battery life - up to 6.5 hours of constant playback per charge. The portable charging case provides an extra 20 hours on the go. Quick-charging via USB-C ensures the case recharges rapidly.

 autrebits 28CBT Wireless Earbuds


Leveraging Bluetooth 5.2, the autrebits 28CBT Wireless Earbuds maintain efficient wireless connections to phones and tablets. Pairing is a breeze, and range can reach up to 30 feet before dropout issues arise. Reliability is solid despite some defective units.

 autrebits 28CBT Wireless Earbuds

Water Resistance

The IPX4 rating allows the earbuds to withstand splashes, rain, and sweat without issues. They can be used for running and workouts, though submerging them or swimming is not recommended.

 autrebits 28CBT Wireless Earbuds

Use Cases

The autrebits 28CBT Wireless Earbuds are ideal for:

  • Listening to energetic music during workouts
  • Taking calls with crisp audio even in noisy environments
  • Wearing all day long thanks to the barely-there weight
  • Commuting while enjoying punchy bass and vibrant sound
  • Relaxing with a podcast or audiobook using the cozy fit
  • Traveling light with the ultra-compact charging case

User Feedback Analysis

Reviews for the autrebits 28CBT Wireless Earbuds show thrilled customers raving about the unexpectedly awesome performance packed into these petite and affordable wireless earbuds.

The clear standout for most users is the dynamic and punchy audio quality. Many can’t believe the powerful bass and lively sound produced by the compact 10mm drivers. Adjectives like “bold”, “energetic”, and “killer” describe the bass, while mids and highs are called “vibrant” and “crisp.” For such small earbuds, the expansive, high-fidelity sound makes an impression.

Comfort and stability in the ear also exceed expectations for many customers. They note how the featherlight earbuds “disappear” and are “barely noticeable” when worn. The customizable eartips provide a tailored and non-fatiguing fit. Users are able to wear the autrebits 28CBT Wireless Earbuds for hours without irritation.

Battery life emerges as another big winner, with some reviewers getting even longer runtimes than the stated 6.5 hours per charge. Combined with the portable charging case, customers are thrilled with nearly endless playback, some going days without needing to recharge.

Connectivity via Bluetooth 5.2 performs well for most, with stable pairing and elimination of audio cutouts. A few isolated incidents of random dropout were reported, likely tied to defective units based on the minority of cases.

At their bargain $30 price point, users feel autrebits absolutely delivered the goods with the autrebits 28CBT Wireless Earbuds. The tiny size belies their mighty audio, long battery, and customizable fit. Any shortcomings get outweighed by the overall value. As one reviewer summed up: “Tiny tunes, big bang for buck!”

Pros and Cons


  • Very lightweight and comfortable in-ear fit
  • Punchy and emphasized bass from 10mm drivers
  • Up to 26 hours total battery life
  • Sweat and splash resistant
  • Easy controls and voice assistant access
  • Works seamlessly with iOS and Android
  • Compact and portable charging case


  • Lacks active noise cancelling
  • Some users experienced connectivity drops
  • Not the widest soundstage due to compact size


At just $29.99, the autrebits 28CBT Wireless Earbuds provide tremendous value for money. The excellent audio performance and battery life match or exceed many earbuds costing 2-3 times as much. Thrown in sweat resistance, voice controls, and lightweight comfort in a tiny package for this price makes these earbuds a steal.


For just $29.99, the autrebits 28CBT Wireless Earbuds deliver a featherlight audio experience that outperforms many pricier models. If you want compact earbuds with energetic sound and a cozy fit, these tiny tunes check all the boxes.

 autrebits 28CBT Wireless Earbuds


  • Earbud Weight: 4.6g each
  • Case Dimensions: 1.57 x 1.42 x 1.73 inches
  • Case Weight: 1.52 ounces
  • Battery: Lithium polymer (capacity unknown)
  • Bluetooth Version: 5.2
  • Single Charge Playtime: Up to 6.5 hours
  • Total Playtime: Up to 26 hours
  • Water Resistance Rating: IPX4
  • First Available: March 29, 2022

What’s In The Box

  • 28CBT Wireless Earbuds (left & right)
  • Charging Case
  • USB-C Charging Cable
  • 4 Pairs of Eartips (XS, S, M, L)
  • 2 Extra Silicone Eartips
  • Quick Start Guide

How To Use

  1. Fully charge the earbuds and case before first use.
  2. Remove earbuds from case, they will power on and connect.
  3. Select “28CBT” in your device’s Bluetooth menu to pair.
  4. Insert each earbud with chosen eartips twisted into ear canal.
  5. Use tap gestures to control music, calls, and activate voice assistants.
  6. Return earbuds to charging case when not in use.
autrebits 28CBT Wireless Earbuds