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Blue in-ear headphones with brushed alloy shells and inline microphone on a 4.5 ft cable

Fuji Labs

Fuji Labs AUFJ-SQWMS203BL In-Ear Headphone Blue 10mm 16ohm 3.5mm 4.5ft

SKU CH-HSHJ-S00FB MPN AUFJ-SQWMS203BL

In-ear headphones with a 10 mm driver, 16 ohm impedance, 3.5 mm connector and 4.5 ft cord

  • Driver size10 mm
  • Frequency range20 Hz–20 kHz
  • Impedance16 ohms
  • Power supply10 mW
  • Audio sensitivity95 dB +/- 3 dB
  • Connection3.5 mm
  • 10 mm driver delivers clear sound across 20 Hz–20 kHz
  • 16 ohm impedance works efficiently with portable devices
  • 5 mm connector fits phones, laptops and tablets
  • 5 ft cable gives freedom of movement
  • In-line microphone rated at -38 dB for clear calls

Fuji Labs Sonique SQ203 In-Ear Headphones

The Fuji Labs Sonique SQ203 are wired in-ear headphones finished in blue with a brushed alloy shell. They connect through a standard 3.5mm plug and include an inline microphone for calls. The 4.5ft cable provides enough reach for pocket or desk use without excess slack.

Upgrade from basic bundled earbuds

These replace the thin earbuds packed with phones or laptops that often lack a microphone or durable housing. The 10mm driver and 16 ohm impedance deliver noticeably clearer mids and controlled bass. The jump is worth it when daily commutes or video meetings make the stock pair feel flimsy or muffled.

Steady output during long sessions

At 10mW power handling and 95dB sensitivity the SQ203 maintains consistent volume without distortion during extended listening. The downward-facing hollow diaphragm design helps reduce ear fatigue over hours of use. The alloy shell resists heat buildup better than plastic buds, keeping comfort stable on long calls or playlists.

How it compares

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

Price $16.99
Cheaper than about 68% of the 7,078 comparable items (median $25.99).

Specifications

Product
Brand nameFuji Labs
Model nameAUFJ-SQWMS203BL
Product typeIn-Ear
Product colorBlue
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 size244 × 177 × 62 mm

Questions about this item

Does the 3.5mm connector fit a standard phone jack?

The 3.5mm connector is the common analogue audio plug used by phones, laptops and portable players. No adapter is required for a standard 3.5mm jack.

How do I attach the ear tips so they seal properly?

Slide each silicone tip onto the nozzle until it sits flush against the housing; a loose tip breaks the seal and reduces bass response.

When should I replace the ear tips or cable?

Replace silicone tips when they lose elasticity or tear, and replace the cable if the 4.5 ft cord develops intermittent sound or the in-line mic fails.

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