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U21 In-ear Bluetooth Handsfree Earphones with Charging Case White
Bluetooth Handsfree

U21 In-ear Bluetooth Handsfree Earphones with Charging Case White

The Dudao U21 are TWS in-ear headphones with a charging case. They feature ANC to cancel ambient noise and ENC to reduce microphone noise during calls, as well as Ø13 mm drivers. Music playback lasts...

The Dudao U21 are TWS in-ear headphones with a charging case. They feature ANC to cancel ambient noise and ENC to reduce microphone noise during calls, as well as Ø13 mm drivers. Music playback lasts up to 4 hours, or up to 20 hours with the charging case.

  • Type: In-ear headphones
  • Bluetooth version: 5.4
  • Headphone battery life: Up to 4 hours
  • Battery life with...
See full description See full description

Top specs

  • Operating Time

    The usage time of your Bluetooth handsfree with a full charge.


    Operating time may vary depending on usage. For example, continuous talking or music playback usually consumes more power than simple standby. Also, certain features like active noise cancellation (ANC) may affect operating time.

  • 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. 

  • 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.
  • See all
12 97 €
Delivery Tue, 17 Nov - Mon, 23 Nov
14,00 €   shipping cost
Sent from Greece
From StibeTherm 4.8 (26)
4.8 (26 reviews)
Greece
5+ pieces
See Mobile Telephony on the page of StibeTherm

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Product report

Description

Description

The Dudao U21 are TWS in-ear headphones with a charging case. They feature ANC to cancel ambient noise and ENC to reduce microphone noise during calls, as well as Ø13 mm drivers. Music playback lasts up to 4 hours, or up to 20 hours with the charging case.

  • Type: In-ear headphones
  • Bluetooth version: 5.4
  • Headphone battery life: Up to 4 hours
  • Battery life with case: Up to 20 hours
  • Standby time: Approximately 20 hours
  • Charging case: Yes
  • Noise cancellation: ANC
  • Microphone noise reduction: ENC
  • Charging: USB-C; headphones take approximately 1.5 hours to charge and the case approximately 2 hours
  • Color: White
  • Talk time: Up to 2 hours
  • Bluetooth range: Up to 10 m
  • Drivers: Ø13 mm
  • Frequency response: 20 Hz–20 kHz
  • Impedance: 32 Ω
  • Headphone battery capacity: 30 mAh
  • Charging case battery capacity: 300 mAh

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. 
Operating Time
4 hrs

Operating Time

The usage time of your Bluetooth handsfree with a full charge.


Operating time may vary depending on usage. For example, continuous talking or music playback usually consumes more power than simple standby. Also, certain features like active noise cancellation (ANC) may affect operating time.
Operation Time with Charging Case
20 hrs

Operation Time with Charging Case

The amount of time the headphones can be used without needing access to a power source, taking into account the charges that the charging case can provide.
Without Cable
Yes
Double Headphone
Yes
Bluetooth Version
5.4
Colour
White

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
Yes

Active Noise Cancellation

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

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

Description & Specifications

The Dudao U21 are TWS in-ear headphones with a charging case. They feature ANC to cancel ambient noise and ENC to reduce microphone noise during calls, as well as Ø13 mm drivers. Music playback lasts up to 4 hours, or up to 20 hours with the charging case.

  • Type: In-ear headphones
  • Bluetooth version: 5.4
  • Headphone battery life: Up to 4 hours
  • Battery life with case: Up to 20 hours
  • Standby time: Approximately 20 hours
  • Charging case: Yes
  • Noise cancellation: ANC
  • Microphone noise reduction: ENC
  • Charging: USB-C; headphones take approximately 1.5 hours to charge and the case approximately 2 hours
  • Color: White
  • Talk time: Up to 2 hours
  • Bluetooth range: Up to 10 m
  • Drivers: Ø13 mm
  • Frequency response: 20 Hz–20 kHz
  • Impedance: 32 Ω
  • Headphone battery capacity: 30 mAh
  • Charging case battery capacity: 300 mAh

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. 
Operating Time
4 hrs

Operating Time

The usage time of your Bluetooth handsfree with a full charge.


Operating time may vary depending on usage. For example, continuous talking or music playback usually consumes more power than simple standby. Also, certain features like active noise cancellation (ANC) may affect operating time.
Operation Time with Charging Case
20 hrs

Operation Time with Charging Case

The amount of time the headphones can be used without needing access to a power source, taking into account the charges that the charging case can provide.
Without Cable
Yes
Double Headphone
Yes
Bluetooth Version
5.4
Colour
White

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
Yes

Active Noise Cancellation

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

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.

12,97 €
14,00 €   shipping cost
Dudao