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Purple in-ear wireless earbuds with matching charging case, smooth matte finish

No Sew

No Sew S66 In-Ear Headphones Purple Bluetooth 5.4

SKU CH-X68A-N03XG

Purple in-ear earbuds with Bluetooth 5.4, active noise cancelling, IP7 waterproofing, 50-hour battery life and a dual LED charging case display

  • TypeIn-Ear
  • ColorPurple
  • Driver Unit14 millimeters
  • Frequency Response20 hertz
  • THDIn Ear
  • Input Impedance32 ohms
  • Bluetooth 5.4 gives stable wireless range up to 33 feet
  • 14 mm driver delivers clear stereo sound across 20 hertz range
  • Active noise cancelling mic keeps calls crisp in noisy places
  • IP7 waterproof rating protects earbuds during workouts or rain
  • 50 hour total playtime with 1.5 hour charge via LED display case

Purpose and audience

The No Sew S66 are lightweight in-ear headphones designed for daily listening, calls and active use. Weighing only 4.5g each, they suit commuters, office workers and sports enthusiasts who want a secure fit without cables. Active noise cancelling and a noise-cancelling microphone keep conversations clear in busy environments. IP7 waterproofing makes them reliable during workouts or rain.

Capacity and headroom

A single charge provides up to 8 hours of playback and the case extends total battery life to 50 hours. Recharging the case takes 1.5 hours. The 14 mm drivers deliver a 20 Hz frequency response with 32 ohm impedance for balanced stereo sound. Bluetooth 5.4 maintains a stable link up to 33 feet. Touch controls handle volume, tracks, calls and voice assistant without reaching for the device.

Practical limits

Bluetooth 5.4 range drops beyond 33 feet or through dense walls, so the source should stay nearby. Active noise cancelling reduces ambient sound but cannot eliminate very loud or sudden noises. The single-ear coupling option limits stereo imaging when only one bud is used. IP7 protects against immersion up to one metre for a short time; it is not rated for pressurised water or swimming. Charging requires the supplied case; no wired alternative exists.

Highlights

  • Bluetooth 5.4 gives stable wireless range up to 33 feet
  • 14 mm driver delivers clear stereo sound across 20 hertz range
  • Active noise cancelling mic keeps calls crisp in noisy places
  • IP7 waterproof rating protects earbuds during workouts or rain
  • 50 hour total playtime with 1.5 hour charge via LED display case

Specifications

BrandXIAOWTEK
Series1
ModelS66
TypeIn-Ear
ColorPurple
Driver Unit14 millimeters
Frequency Response20 hertz
THDIn Ear
Input Impedance32 ohms
Power Supplybattery, true
ConnectorNo Jack
Ear CouplingSingle Ear
Weight0.11 pounds
Noise CancellingActive
Wireless TypeBluetooth
Battery50 hours
Operating Time50 hours
Charge Time1.5 hours
Distance33 feet
Contains Embedded Batterybattery
Microphone Impedance~3K ohm
Microphone Frequency Response20 hertz
Featuresactive_noise_cancellation, 5.4, 50 hours, Wireless, Touch Control, In Ear, dynamic_driver, 32 ohm, 33 feet

Questions about this item

Will the Bluetooth 5.4 earbuds connect automatically to my older phone after the first pairing?

Yes, after the initial pairing the earbuds auto-connect whenever you remove them from the charging case.

How can I verify the active noise cancelling is actually reducing background sound?

Toggle the ANC on and off while listening in a noisy room; you should hear a clear drop in ambient noise.

Does the box include the charging case with LED display and do I need to buy a cable separately?

The package contains the earbuds, the charging case with dual LED display, and a USB charging cable — nothing extra is required.

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