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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

  • Driver size14 mm
  • Frequency range20 Hz
  • Headphone styleIn Ear
  • Impedance32 ohms
  • Power supplyBattery, true
  • ConnectionNo Jack
  • 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.

How it compares

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

Price $24.99
Typical for this category: the median of 7,078 items is $25.99.

Specifications

Product
Brand nameXIAOWTEK
Product line1
Model nameS66
Product typeIn-Ear
Product colorPurple
Performance
Supported distance33 ft (10.1 m)
Audio & video
Driver size14 mm
Frequency range20 Hz
Headphone styleIn Ear
Impedance32 ohms
Wearing styleSingle Ear
Noise cancellationActive
Mic impedance~3K ohm
Mic frequency response20 Hz
Connectivity
Wireless technologyBluetooth
Ports & slots
ConnectionNo Jack
Power
Power supplyBattery, true
Battery pack50 h
Run time50 h
Charging time1.5 h
Built-in batteryBattery
Size & build
Product weight0.11 lb (0.05 kg)

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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