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Black in-ear wireless earbuds with compact charging case showing LED display

No Sew

No Sew AUT211N Active Noise Cancelling Earbuds Bluetooth 5.4 4 Mics LED Display 5h 24h 41g

SKU CH-EJDX-KTT3R

Active noise cancellation blocks ambient sound while four microphones and AI filtering keep calls clear, with Bluetooth 5.4 pairing, an LED battery display on the case and 24 hours total playtime

  • TypeIn-Ear
  • ColorBlack
  • Driver Unit10 millimeters
  • Frequency Response5Hz-20KHz
  • THDIn Ear
  • Input Impedance32 ohms
  • Active noise cancellation blocks ambient sound for focused listening
  • Four microphones with AI filtering deliver clear voice calls
  • 10 mm drivers produce detailed audio with rich bass
  • Charging case extends total playtime to 24 hours with LED battery display
  • Bluetooth 5.4 enables instant auto-connection when case opens

Smart Noise Cancellation

These wireless earbuds use active noise cancellation and four microphones with AI-powered noise reduction to suppress ambient sound during music playback and calls. They are intended for commuters, office workers and travellers who want a quieter listening experience without bulky over-ear headphones.

Bluetooth 5.4 Practical Limits

The earbuds connect via Bluetooth 5.4 and require a source device that supports this version for full feature operation. Battery life is rated at five hours per charge with the case providing a total of 24 hours, so users planning longer sessions away from power will need to recharge the case periodically.

Build Quality and Daily Use

Each bud weighs 41 grams and uses an in-ear design with silicone tips for a secure fit during exercise or extended wear. The charging case includes an LED display that shows remaining power for both the case and the earbuds, removing guesswork about when to recharge. Touch controls handle playback and calls without reaching for the phone.

Highlights

  • Active noise cancellation blocks ambient sound for focused listening
  • Four microphones with AI filtering deliver clear voice calls
  • 10 mm drivers produce detailed audio with rich bass
  • Charging case extends total playtime to 24 hours with LED battery display
  • Bluetooth 5.4 enables instant auto-connection when case opens

Specifications

Brand1 Hora
ModelAUT211N, AUT211
Part NumberAUT211
TypeIn-Ear
ColorBlack
Driver Unit10 millimeters
Frequency Response5Hz-20KHz
THDIn Ear
Input Impedance32 ohms
Signal to Noise Ratio(SNR)102
Sensitivity102 dB +/- 3 dB at 1 kHz
ConnectorNo Jack
Ear CouplingSingle Ear
Cord LengthEar Cushions
Weight41 grams
Noise CancellingActive
Wireless TypeBluetooth
Battery5 hours
Operating Time5 hours
Charge Time1.5 hours
Distance10 meters
Microphone Impedance~3K ohm
Microphone Frequency Response20Hz-20KHz
Microphone Signal to Noise Ratio(SNR)102
Microphone Sensitivity102
Featuresactive_noise_cancellation, 5.4, 5 hours, Detachable, touch, Wireless, In Ear, dynamic_driver, 32 ohm, 10 meters, Cable
Package ContentsCable, User Manual, Ear Cushions

Questions about this item

How do I choose between the AUT211 and AUT211N versions?

Both share the same 10 mm drivers, 32 ohm impedance and Bluetooth 5.4; the AUT211N adds active noise cancellation and four microphones while the AUT211 is a standard model.

What does 5 hours of earbud playtime mean for daily use?

You get up to 5 hours of music or calls per charge; the case supplies further charges for a total of 24 hours before you need to plug the case in.

What does Bluetooth 5.4 cap in real-world performance?

It limits the link to the Bluetooth 5.4 specification, governing range, latency and audio codec support for iPhone, Android, tablet or laptop connections.

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