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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

  • Battery runtime8 h
  • Spec summaryS13, Black, Wireless
  • Display typeMicrophone Included
  • Playback optionsButton Control, Button, push button
  • Wireless technologyBluetooth 5.4
  • Speaker typeDynamic driver
  • 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.

How it compares

Measured against everything we stock in Earbuds, Earphones & Mini Speakers, at today’s prices. Recalculated every night.

Price $21.99
Cheaper than about 83% of the 231 comparable items (median $40.99).
Battery runtime 8 h
Lower than about 87% of the 87 comparable items (median 35 h).

Specifications

Product
Brand nameJrwaro
Product lineS13
Model nameS13
Part numberS13
Product typeIn Ear
Product colorBlack
Display
Display typeMicrophone Included
Audio & video
Playback optionsButton Control, Button, push button
Speaker typeDynamic driver
Connectivity
Wireless technologyBluetooth 5.4
Power
Battery runtime8 h
Compatibility
MP3 supportLaptops
More details
Remote controllerButton Control

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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