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Black in-ear wireless earbuds with charging case, Bluetooth 5.4

No Sew

No Sew S13 Wireless Earbuds Bluetooth 5.4 48h portable audio

SKU CH-7HQ1-S3FN2

Wireless in-ear headphones with Bluetooth 5.4, a 13 mm driver, IPX7 water resistance and a charging case that delivers 48 hours total playback

  • TypeIn Ear
  • ColorBlack
  • SpecS13, Black, Wireless
  • DisplayMicrophone Included
  • Media PlaybackButton Control, Button, push_button
  • RadioBluetooth 5.4
  • Immersive Hi-Fi sound from a 13 mm titanium driver
  • Crystal-clear calls with advanced noise reduction
  • Smart LED display shows case and earbud battery levels
  • Bluetooth 5.4 enables stable, fast connections with auto-pairing
  • Up to 48 hours total playback with 1.5-hour USB-C charge

True wireless earbuds for daily listening

The No Sew S13 earbuds are true wireless in-ear headphones built around Bluetooth 5.4 connectivity. A 13 mm dynamic driver handles stereo playback, while integrated microphones and noise reduction keep calls clear. Touch-button controls manage media, calls and voice-assistant activation without reaching for a phone. IPX7 water resistance protects the buds from rain, sweat and splashes during workouts or commutes.

Eight-hour buds with a 48-hour case

Each bud delivers up to 8 hours of continuous playback on a single charge. The charging case extends total listening time to 48 hours and adds up to 100 hours of standby reserve. Replenishing the case takes roughly 1.5 hours via the USB-C port, so a short top-up before leaving home covers a full day of use. Bluetooth 5.4 maintains a stable link that resists drop-outs during calls or music streaming.

Compact case with LED power readout

The pocket-sized charging case carries a digital LED screen that shows remaining case capacity from 1% to 100% and individual earbud charging status at a glance. Earbuds pair automatically when the lid is opened after the first connection. Each bud contains its own microphone, allowing true mono use — one bud in, the other charging — or stereo twin mode for shared listening. IPX7 rating means the buds survive heavy sweat and sudden downpours without special handling.

Highlights

  • Immersive Hi-Fi sound from a 13 mm titanium driver
  • Crystal-clear calls with advanced noise reduction
  • Smart LED display shows case and earbud battery levels
  • Bluetooth 5.4 enables stable, fast connections with auto-pairing
  • Up to 48 hours total playback with 1.5-hour USB-C charge

Specifications

BrandJrwaro
SeriesS13
ModelS13
Part NumberS13
TypeIn Ear
ColorBlack
SpecS13, Black, Wireless
DisplayMicrophone Included
Media PlaybackButton Control, Button, push_button
RadioBluetooth 5.4
Speakersdynamic_driver
Remote ControlButton Control
Battery Life8 hours
MP3 SupportLaptops

Questions about this item

How do I pair the S13 earbuds with my phone for the first time, and what step do people often miss?

Fully charge both earbuds and the case for about 1.5 hours via USB-C, then open the lid to trigger auto-pairing; the missed step is skipping that initial charge, which prevents the Bluetooth 5.4 chipset from entering pairing mode.

What part will need replacement first, and how will I know when it is time?

The internal batteries in each earbud and the case degrade over repeated cycles; the LED digital display on the case shows exact percentage from 1% to 100%, so when a full charge no longer delivers the rated 8 hours per bud or 48 hours total, the cells are worn out.

What limit appears first during a long listening session at high volume?

Battery endurance is the first constraint — each earbud provides up to 8 hours of continuous playback on a single charge, after which they must return to the case for recharging before you can continue.

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