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Pair of deep blue in-ear wireless earbuds in charging case

No Sew

No Sew I63 Bluetooth 5.4 Earbuds Deep Blue

SKU CH-EPN5-NQ70A

Bluetooth 5.4 earbuds with 14.2mm drivers, 4 ENC microphones, 48-hour battery and IP7 waterproofing

  • Driver size14.2 mm
  • Headphone styleIn Ear
  • Impedance32 ohms
  • Power supplyBattery, true
  • ConnectionNo Jack
  • Wearing styleSingle Ear
  • Bluetooth 5.4 gives stable connections up to 15 metres
  • 2 mm drivers produce deep bass and clear highs
  • Four ENC microphones cut background noise for crisp calls
  • 48 hours total playtime keeps you listening all day
  • 5 hour charge restores full power quickly

What these earbuds deliver

The No Sew I63 are true-wireless in-ear headphones built around Bluetooth 5.4 and 14.2 mm dynamic drivers. They provide up to 48 hours of total listening time with the charging case and support touch controls for playback and calls. The IP7 rating means they withstand immersion in water, making them suitable for workouts and outdoor use. A dual LED display on the case shows remaining battery level at a glance.

Who they suit and who they don't

These earbuds suit listeners who want cable-free stereo sound, clear calls via four ENC microphones and a secure in-ear fit with three tip sizes. They are not for users who require a wired connection, active noise cancellation or over-ear comfort. Buyers needing multi-device pairing or aptX codec support should look elsewhere.

The spec that decides fit

Bluetooth 5.4 is the single specification that determines whether this is the right part. It governs connection stability, latency and the 15 metre range quoted for these earbuds. If your source device does not support Bluetooth 5.4 you will not get the stated performance.

How it compares

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

Price $11.99
Cheaper than about 90% of the 7,078 comparable items (median $25.99).

Specifications

Product
Brand nameAOSRAU
Model nameI63
Product typeIn-Ear
Product colorDeep Blue
Performance
Supported distance15 m
Audio & video
Driver size14.2 mm
Headphone styleIn Ear
Impedance32 ohms
Wearing styleSingle Ear
Noise cancellationSound isolation
Mic impedance~3K ohm
Connectivity
Wireless technologyBluetooth
Ports & slots
ConnectionNo Jack
Power
Power supplyBattery, true
Battery pack8 h
Run time8 h
Charging time1.5 h
Built-in batteryBattery
Size & build
Cord lengthPortable charging box x 1
In the box
In the boxCable, User Manual, Portable charging box x 1, I63 Headphones x 2

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