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White wired in-ear earbuds with 3.5mm plug and inline controls

No Sew

No Sew LTZC01 In-Ear Wired Earbuds 3.5mm White 32 ohm

SKU CH-RJ9B-KAJV2

Wired in-ear earbuds with a 3.5mm plug, 32 ohm drivers, passive noise reduction, inline microphone and volume control for iPhone 14, 13, 12, 11, X, 8 and 7 models

  • TypeIn-Ear
  • ColorWhite
  • THDIn Ear
  • Input Impedance32 ohms
  • Connector3.5mm
  • Ear CouplingSingle Ear
  • Plug-and-play 3.5 mm jack avoids Bluetooth pairing
  • Passive noise reduction blocks background sound
  • In-line microphone and volume button for quick control
  • 32 ohm impedance matches phone output levels
  • Compatible with iPhone 7 through 14 series

Wired In-Ear Earbuds for iPhone

The No Sew LTZC01 earbuds are wired in-ear headphones with a 3.5mm connector and 32 ohm impedance. They include a built-in microphone and inline volume control for calls and media playback. The white finish suits everyday listening and travel use.

3.5mm Analogue Connection Limits

Audio and microphone signals travel over a single 3.5mm plug, so the host device must provide a compatible headset jack or a Lightning-to-3.5mm adapter. Passive noise reduction relies on the physical seal rather than active circuitry. No wireless pairing or battery charging is involved.

Plug-and-Play Installation

Insert the 3.5mm plug into the headphone port or adapter and the earbuds work immediately with iOS devices. A poor fit can reduce bass response and passive isolation, so try the supplied tips for a secure seal. The inline button handles play, pause and call answering without extra setup.

Highlights

  • Plug-and-play 3.5 mm jack avoids Bluetooth pairing
  • Passive noise reduction blocks background sound
  • In-line microphone and volume button for quick control
  • 32 ohm impedance matches phone output levels
  • Compatible with iPhone 7 through 14 series

Specifications

BrandADMGUPTZ
ModelLTZC01
TypeIn-Ear
ColorWhite
THDIn Ear
Input Impedance32 ohms
Connector3.5mm
Ear CouplingSingle Ear
Noise CancellingPassive
Microphone Impedance~3K ohm
Featurespassive_noise_cancellation, push_button, Wired, In Ear, dynamic_driver, 32 ohm

Questions about this item

Which connector should I choose for my iPhone 13?

The 3.5mm plug works with iPhone 13 when used with Apple's Lightning-to-3.5mm adapter, which is sold separately.

What does the 32 ohm impedance mean for daily listening?

At 32 ohms the earbuds draw little power, so a phone or laptop headphone jack drives them to comfortable volume without an extra amplifier.

How does the 3.5mm connection limit the microphone?

The single 3.5mm TRRS plug carries stereo audio and the microphone on one cable, so inline volume and call buttons work but there is no separate mic input.

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