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Green in-ear headphones with alloy brushed shells and inline microphone on 3.5mm cable

Fuji Labs

Fuji Labs AUFJ-SQWMS203GR Green In-Ear Headphone 10mm 3.5mm 4.5ft

SKU CH-4CX9-FHX17 MPN AUFJ-SQWMS203GR

Green in-ear headphones with 10 mm drivers, 3.5 mm plug, 4.5 ft cord and inline microphone

  • Driver size10 mm
  • Frequency range20 Hz–20 kHz
  • Impedance16 ohms
  • Power supply10 mW
  • Audio sensitivity95 dB +/- 3 dB
  • Connection3.5 mm
  • 10mm driver delivers full-range 20Hz–20KHz audio
  • 95 dB sensitivity provides clear volume at low power
  • In-line microphone captures voice at -38 dB sensitivity
  • 5mm connector fits phones, laptops and tablets
  • 5 ft cord gives freedom of movement

Fuji Labs SQ203 In-Ear Headphones

The Fuji Labs SQ203 in-ear headphones deliver stereo sound through a 10 mm driver with a 20 Hz to 20 kHz frequency response. A 3.5 mm connector provides universal wired compatibility with phones, laptops and tablets. The green alloy shell features a brushed finish and a downward-facing hollow diaphragm design. An in-line microphone handles calls and voice commands.

Listeners wanting wired simplicity

These suit users who prefer a direct 3.5 mm connection without pairing or charging steps. The 4.5 ft cord allows comfortable pocket or desk routing during commutes or office work. Buyers who need wireless freedom, active noise cancellation or a USB-C digital interface should look at other models.

Steady output during extended sessions

The 16 ohm impedance and 95 dB sensitivity produce consistent volume from low-power sources without distortion at typical listening levels. The rated 10 mW power handling supports continuous playback without thermal compression. The polymer battery sustains the in-line microphone and any active circuitry for long working periods.

How it compares

Measured against everything we stock in Earbuds & Over-Ear Headphones, at today’s prices. Recalculated every night.

Price $13.99
Cheaper than about 80% of the 7,078 comparable items (median $25.99).

Specifications

Product
Brand nameFuji Labs
Model nameAUFJ-SQWMS203GR
Product typeIn-Ear
Product colorGreen
Audio & video
Driver size10 mm
Frequency range20 Hz–20 kHz
Impedance16 ohms
Audio sensitivity95 dB +/- 3 dB
Mic sensitivity-38 dB +/- 3 dB
Ports & slots
Connection3.5 mm
Power
Power supply10 mW
Size & build
Cord length4.5 ft (1.37 m)
Shipping weight0.10 kg
Package size241 × 183 × 64 mm

Questions about this item

What device do I need with a 3.5mm jack to plug these in?

Any phone, laptop, tablet or audio player that has a standard 3.5mm headphone socket will drive the 10mm drivers at 16 ohms.

Will the inline microphone work with an older PC that has separate headphone and mic ports?

The single 3.5mm plug carries both audio and microphone signals, so a TRRS-to-dual-TRRS splitter cable is required for those legacy ports.

How can I check the headphones are performing correctly after connecting them?

Play a test tone sweep from 20Hz to 20KHz; the 95dB sensitivity should give clear, balanced output across the range.

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