Skroutz.mt

Blue Star BK31 In-ear Bluetooth Handsfree Earphones with Charging Case Black
Bluetooth Handsfree

Blue Star BK31 In-ear Bluetooth Handsfree Earphones with Charging Case Black

The wireless headphones BLUE STAR TWS BK31 are a modern solution for music lovers who value convenience and sound quality. They use Bluetooth 5.4 technology, providing a stable connection and smooth...

The wireless headphones BLUE STAR TWS BK31 are a modern solution for music lovers who value convenience and sound quality. They use Bluetooth 5.4 technology, providing a stable connection and smooth audio transmission from compatible devices up to 12 meters away.

They feature built-in 30 mAh batteries, offering up to 5 hours of continuous music listening,...

See full description See full description

  • Item

    In-ear

    Earphones that fit inside the ear canal and usually come with pairs of covers for each type of ear. They offer stability and great noise isolation. 

    They are an ideal choice if you desire a strong and isolated sound experience. 
  • See all
Product report

Description

Description

The wireless headphones BLUE STAR TWS BK31 are a modern solution for music lovers who value convenience and sound quality. They use Bluetooth 5.4 technology, providing a stable connection and smooth audio transmission from compatible devices up to 12 meters away.

They feature built-in 30 mAh batteries, offering up to 5 hours of continuous music listening, while their case with an additional 300 mAh battery allows for easy charging on the go. The charging time for the headphones is approximately 1.3 hours. The USB-C charging port is now standard, allowing charging with most modern cables and chargers.

Comfort during use is ensured by the ergonomic design of the covers, which adapt to the shape of the ear, minimizing the risk of falling during movement. Additionally, the headphones are IPX4 certified, meaning they are resistant to water and sweat, which is important when exercising outdoors.

Specifications:

  • Bluetooth Version: 5.4
  • Bluetooth Range: up to 12 m
  • Battery Capacity: 30 mAh (headphones), 300 mAh (case)
  • Talk Time: 5 hours
  • Music Playback Time: 4.7 hours
  • Charging Time: 1.3 hours
  • Waterproof Level: IPX4
  • Charging Port: USB-C

Package Contents:

  • TWS BLUE STAR BK31 Headphones
  • USB-C Charging Cable
  • User Manual

Manufacturer

Manufacturer Details

Warnings & Safety Information
See full description

Specifications

Specifications

Dimensions

Type
In-ear

Type

In-ear

Earphones that fit inside the ear canal and usually come with pairs of covers for each type of ear. They offer stability and great noise isolation. 

They are an ideal choice if you desire a strong and isolated sound experience. 
Without Cable
Yes
Double Headphone
Yes
Bluetooth Version
5.4
Colour
Black

Additional Specifications

Multipoint Pairing
No

Multipoint Pairing

Supports connection with more than one device simultaneously. It is aimed at individuals who have multiple devices with Bluetooth connectivity (e.g. multiple phones, phone and tablet) and wish to have all of them connected to a Bluetooth hands-free device.
Charging Case
Yes

Charging Case

The Bluetooth handsfree has the ability to be charged through its carrying case.
Sweat Resistance
No

Sweat Resistance

Headphones with sweat resistance.

They are ideal for exercise, running, or other activities where you sweat.

For example, with headphones that have sweat resistance, you can work out at the gym or run in the park without worrying about damage from moisture. They are usually accompanied by certifications like IPX4 or IPX5, which confirm they can withstand splashes or light moisture.
Active Noise Cancellation
No

Active Noise Cancellation

Special technology that detects and blocks external noise, allowing you to hear better.
Fast Charging
No
Microphone Noise Reduction
No

Microphone Noise Reduction

With Microphone Noise Reduction technology (Environmental Noise Cancellation), ambient noise is reduced, thus improving sound quality so that your conversation partners can hear you more clearly.
Voice Control
No
Hi-Res
No

Hi-Res

High-resolution (Hi-Res) audio is a form of sound that sounds great and allows you to identify the details and nuances you would hear in the recording studio.
Wireless Charging
No

Wireless Charging

The charging case of the headphones charges wirelessly on a wireless charger.
Spatial Audio
No

Spatial Audio

Creation of a multi-channel audio experience that gives the impression that sound is coming from various directions. Often referred to as virtual surround sound.
LE Audio
No

LE Audio

Low Energy Audio improves Bluetooth audio performance, adds support for hearing aids, and introduces Auracast. With Auracast, there will be the ability to share music, as well as new features that will come in the future.
Hybrid Active Noice Cancellation
No

Hybrid Active Noice Cancellation

Upgraded Active Noise Cancellation technology, based on microphones inside and outside the earphone. These microphones detect external noises and prevent them from reaching your ear. Incoming ambient noise is effectively reduced, allowing you to hear music or your conversation partner more clearly.

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

See all specifications

Reviews (1)

Reviews

5.0
1
5.0
Review this product
  1. 1
  2. 4 stars
    0
  3. 3 stars
    0
  4. 2 stars
    0
  5. 1 star
    0
Review this product
  • Anna_Maria_Filippou
    5
    Anna_Maria_Filippou

    Verified purchase

    I wonder how they are so good for the price they have. I use them daily, both at work and outside. I am very satisfied

    Translated from Greek ·
    Did you find this review helpful?

Description & Specifications

The wireless headphones BLUE STAR TWS BK31 are a modern solution for music lovers who value convenience and sound quality. They use Bluetooth 5.4 technology, providing a stable connection and smooth audio transmission from compatible devices up to 12 meters away.

They feature built-in 30 mAh batteries, offering up to 5 hours of continuous music listening, while their case with an additional 300 mAh battery allows for easy charging on the go. The charging time for the headphones is approximately 1.3 hours. The USB-C charging port is now standard, allowing charging with most modern cables and chargers.

Comfort during use is ensured by the ergonomic design of the covers, which adapt to the shape of the ear, minimizing the risk of falling during movement. Additionally, the headphones are IPX4 certified, meaning they are resistant to water and sweat, which is important when exercising outdoors.

Specifications:

  • Bluetooth Version: 5.4
  • Bluetooth Range: up to 12 m
  • Battery Capacity: 30 mAh (headphones), 300 mAh (case)
  • Talk Time: 5 hours
  • Music Playback Time: 4.7 hours
  • Charging Time: 1.3 hours
  • Waterproof Level: IPX4
  • Charging Port: USB-C

Package Contents:

  • TWS BLUE STAR BK31 Headphones
  • USB-C Charging Cable
  • User Manual

Manufacturer

Manufacturer Details

Warnings & Safety Information

Dimensions

Type
In-ear

Type

In-ear

Earphones that fit inside the ear canal and usually come with pairs of covers for each type of ear. They offer stability and great noise isolation. 

They are an ideal choice if you desire a strong and isolated sound experience. 
Without Cable
Yes
Double Headphone
Yes
Bluetooth Version
5.4
Colour
Black

Additional Specifications

Multipoint Pairing
No

Multipoint Pairing

Supports connection with more than one device simultaneously. It is aimed at individuals who have multiple devices with Bluetooth connectivity (e.g. multiple phones, phone and tablet) and wish to have all of them connected to a Bluetooth hands-free device.
Charging Case
Yes

Charging Case

The Bluetooth handsfree has the ability to be charged through its carrying case.
Sweat Resistance
No

Sweat Resistance

Headphones with sweat resistance.

They are ideal for exercise, running, or other activities where you sweat.

For example, with headphones that have sweat resistance, you can work out at the gym or run in the park without worrying about damage from moisture. They are usually accompanied by certifications like IPX4 or IPX5, which confirm they can withstand splashes or light moisture.
Active Noise Cancellation
No

Active Noise Cancellation

Special technology that detects and blocks external noise, allowing you to hear better.
Fast Charging
No
Microphone Noise Reduction
No

Microphone Noise Reduction

With Microphone Noise Reduction technology (Environmental Noise Cancellation), ambient noise is reduced, thus improving sound quality so that your conversation partners can hear you more clearly.
Voice Control
No
Hi-Res
No

Hi-Res

High-resolution (Hi-Res) audio is a form of sound that sounds great and allows you to identify the details and nuances you would hear in the recording studio.
Wireless Charging
No

Wireless Charging

The charging case of the headphones charges wirelessly on a wireless charger.
Spatial Audio
No

Spatial Audio

Creation of a multi-channel audio experience that gives the impression that sound is coming from various directions. Often referred to as virtual surround sound.
LE Audio
No

LE Audio

Low Energy Audio improves Bluetooth audio performance, adds support for hearing aids, and introduces Auracast. With Auracast, there will be the ability to share music, as well as new features that will come in the future.
Hybrid Active Noice Cancellation
No

Hybrid Active Noice Cancellation

Upgraded Active Noise Cancellation technology, based on microphones inside and outside the earphone. These microphones detect external noises and prevent them from reaching your ear. Incoming ambient noise is effectively reduced, allowing you to hear music or your conversation partner more clearly.

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

Reviews (1)

5.0
1
5.0
Review this product
  1. 1
  2. 4 stars
    0
  3. 3 stars
    0
  4. 2 stars
    0
  5. 1 star
    0
Review this product
  • Anna_Maria_Filippou
    5
    Anna_Maria_Filippou

    Verified purchase

    I wonder how they are so good for the price they have. I use them daily, both at work and outside. I am very satisfied

    Translated from Greek ·
    Did you find this review helpful?
9,39 €
14,00 €   shipping cost