Review: BJ B20 Bluetooth Speaker with Earbuds - Perfect Portable 2-in-1 Option

Published on June 25, 2023, 4:39 p.m.

The BJ B20 Bluetooth Speaker with Earbuds is an innovative 2-in-1 device that provides both a compact speaker and wireless earbuds in one convenient package. As a versatile and portable option perfect for travel and outdoor activities, this combo unit packs a surprising punch despite its small size.


Sporting a sleek and modern design, the BJ B20 folds into a compact 3.5 x 2.3 x 2.3 inch cube. It weighs in at just 7.8 ounces, making it ultra-portable. The top of the speaker rotates open to reveal the earbuds tucked inside for charging and storage when not in use. Both the speaker and earbuds connect via Bluetooth 5.1 for stable pairing.

 BJ B20 Bluetooth Speaker with Earbuds 2 in 1

Key Features:

  • 2-in-1 speaker and earbud combo
  • Bluetooth 5.1
  • Touch controls
  • Built-in microphone
  • 12 hours battery life
  • Charges via USB-C
  • IPX7 waterproof rating

 BJ B20 Bluetooth Speaker with Earbuds 2 in 1


This 2-in-1 device produces 360° surround sound from its compact speaker. Dual drivers deliver crisp highs, mids, and surprisingly deep bass for such a small unit. The earbuds also perform well with clear audio and punchy bass. Both speaker and earbuds boast touch controls for volume, skipping tracks, and answering calls. The built-in mic enables hands-free calling.

Battery Life

Battery life is impressive at up to 12 hours of continuous playtime. The earbuds get 5 hours per charge while the speaker lasts around 7 hours. The speaker case provides an extra full charge for the earbuds, totaling 24 hours of combined playback. Charging is fast via USB-C.

 BJ B20 Bluetooth Speaker with Earbuds 2 in 1


Despite the affordable price point, the BJ B20 delivers solid sound quality that outperforms expectations. The compact speaker can easily fill a small room with rich, layered audio. The earbuds produce clear sound with punchy bass. While serious audiophiles may want more refinement, this versatile 2-in-1 unit offers great performance for the price.

Noise Reduction:

The earbuds create a tight seal for passive noise reduction. Music and calls sound crisp and clear even in noisy environments.

Use Cases:

The BJ B20 is ideal for travel, outdoor activities, exercising, and everyday use. Its portable design and long battery life make it versatile for listening in any location.

User Feedback Analysis

The BJ B20 Bluetooth Speaker with Earbuds has received largely positive feedback from customers. Many praise the impressive sound that defies expectations for such a compact size. The bass in particular stands out as punchy and robust.

Customers find the battery life meets or exceeds the advertised 12 hours of playtime. Between the speaker and earbud charges, the total 24 hours gives flexibility for all-day listening.

The fit and comfort of the earbuds earn praise in reviews. The different sized included tips allow most users to get a secure in-ear fit. Noise isolation could be better according to some customers, but the tight seal still blocks a fair amount of ambient sound.

One common complaint is that maxing out the speaker volume can cause distortion and a tinny sound. However, most find very loud volumes unnecessary for a speaker this size. As long as expectations match the compact design, the audio quality satisfies.

Some users report occasional frustrating issues with the touch controls being unresponsive. But functionality appears reliable for a majority of owners.


  • Great value 2-in-1 combo
  • Impressive volume and bass for size
  • Long total battery life up to 24 hours
  • IPX7 waterproof speaker
  • Convenient portability


  • Speaker sound lacks refinement at high volumes
  • Earbuds don’t isolate noise as well as some models
  • Touch controls can be temperamental

 BJ B20 Bluetooth Speaker with Earbuds 2 in 1


For a portable speaker and earbud set under $30, the BJ B20 provides tremendous value. The 2-in-1 versatility itself sets it apart from most comparably priced options. Add long battery life, IPX7 waterproofing, and better than expected sound, and this becomes a bargain bundle.

While premium speakers and earbuds provide more refined audio, the BJ B20’s impressive features and performance make it a budget-friendly choice. For shoppers seeking great portability at a low cost, this combo delivers outstanding value.

 BJ B20 Bluetooth Speaker with Earbuds 2 in 1


For those seeking an ultra-portable speaker and earbud combo, the BJ B20 is a top choice that delivers surprising audio power. With up to 24 hours of battery life, Bluetooth 5.1, and a compact charging case, this 2-in-1 unit is ideal for travel and outdoor activities. While the audio performance may not satisfy discerning audiophiles, the BJ B20 offers impressive sound quality considering its affordable price and portable convenience.

 BJ B20 Bluetooth Speaker with Earbuds 2 in 1



  • Dimensions: 3.5 x 2.3 x 2.3 inches
  • Weight: 7 ounces
  • Drivers: Dual 40mm
  • Output power: 5W total
  • Frequency response: 100Hz - 20KHz
  • Signal-to-noise ratio: ≥80dB
  • Distortion: ≤1%
  • Battery capacity: 500mAh
  • Battery life: up to 7 hours at 50% volume
  • Charging time: 1.5 hours
  • Wireless range: up to 33 feet


  • Driver: 10mm
  • Impedance: 32 ohms
  • Frequency response: 20Hz - 20KHz
  • Sensitivity: 95dB
  • Battery capacity: 40mAh per earbud
  • Battery life: up to 5 hours continuous playback
  • Charging time: 1 hour
  • Wireless range: up to 33 feet


  • Bluetooth version: 5.1
  • Supported profiles: A2DP, AVRCP, HFP, HSP
  • Wireless range: up to 33 feet

Box Includes:

  • Speaker
  • Earbuds
  • USB-C charging cable
  • Extra earbud tips
  • User manual

How to Use:

  1. Charge speaker and earbuds fully before first use
  2. Open speaker lid to access earbuds
  3. Pair speaker and earbuds to device separately via Bluetooth
  4. Use touch controls to play music, adjust volume, accept calls
  5. Dock earbuds in speaker case to recharge
BJ B20 Bluetooth Speaker with Earbuds 2 in 1