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Matte black in-ear earbuds with charging case

No Sew

No Sew Q38 Bluetooth 5.4 Earbuds 68H IPX7 Matte Black

SKU CH-F40P-3GSPJ

Bluetooth 5.4 in-ear headphones with 68 hours total playtime, 15-metre range and IPX7 waterproofing

  • TypeIn-Ear
  • ColorMatte Black
  • THDIn Ear
  • Input Impedance80 ohms
  • Signal to Noise Ratio(SNR)38 decibels
  • Power Supplybattery, a, aaaa, true
  • Up to 68 hours total playback with the charging case
  • Bluetooth 5.4 chipset improves transmission speed by 75%
  • IPX7 nano-coating protects against sweat and rain
  • 2 mm drivers enhance bass response by 80%
  • 10 minutes of fast charging delivers 2 hours of listening

True wireless earbuds for active use

These in-ear headphones use Bluetooth 5.4 for stable streaming up to 15 metres away. Passive noise isolation and an ENC microphone keep calls clear in busy environments. IPX7-rated protection resists sweat and heavy rain during workouts. Three silicone tip sizes are included to fit most ear canals securely.

Pocket-sized case with dual LED display

The charging case holds an 800 mAh battery and shows remaining power for both case and earbuds on twin LED screens. A 10-minute Type-C top-up adds two hours of listening. Total playtime reaches 68 hours when the case recharges the buds multiple times. No cables or separate power adapter are required beyond the supplied Type-C lead.

68-hour stamina with fast top-ups

Each earbud carries a 40 mAh cell giving up to 6–8 hours per charge. The case delivers roughly nine full recharges before it needs mains power. Touch controls handle playback, calls and voice-assistant access without reaching for a phone. Drivers measuring 14.2 mm produce boosted bass, though 38 dB SNR and 80 ohm impedance limit dynamic range for critical listening.

Highlights

  • Up to 68 hours total playback with the charging case
  • Bluetooth 5.4 chipset improves transmission speed by 75%
  • IPX7 nano-coating protects against sweat and rain
  • 2 mm drivers enhance bass response by 80%
  • 10 minutes of fast charging delivers 2 hours of listening

Specifications

Brandhadbleng
ModelQ38
TypeIn-Ear
ColorMatte Black
THDIn Ear
Input Impedance80 ohms
Signal to Noise Ratio(SNR)38 decibels
Power Supplybattery, a, aaaa, true
Sensitivity38 decibels
ConnectorNo Jack
Ear Couplingover_ear
Cord LengthCable
Weight50 milligrams
Noise CancellingPassive
Wireless TypeBluetooth
Battery68 hours
Operating Time68 hours
Charge Time2 hours, 10 minutes
Distance15 meters
Contains Embedded Batterybattery
Microphone Impedance80 ohm
Microphone Signal to Noise Ratio(SNR)38 decibels
Microphone Sensitivity38 decibels
Compatibilitypc_usb
Featurespassive_noise_cancellation, 5.4, 68 hours, Touch Control, touch, Wireless, In Ear, dynamic_driver, 80 ohm, 15 meters, Eartip
Windows Vistapc_usb
Package ContentsEartip, Wireless Charging Case, Cable, Silicone Ear Tips (S/M/L x2 each)

Questions about this item

How long do the earbuds last on a single charge before the case is needed?

The earbuds deliver up to 8 hours of playback on one charge, and the case adds 8-9 further charges for a total of 68 hours.

Do the earbuds get hot or noisy during a full day of use?

Passive noise cancelling and a low-power Bluetooth 5.4 chipset keep heat and fanless operation silent during extended listening.

What charging port does the case use so I can be sure my cable fits?

The case charges via USB Type-C and reaches full capacity in 2 hours 10 minutes.

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