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Matte black charging case with two earbud styles: in-ear and clip-on open-ear

No Sew

No Sew A30 2-in-1 Wireless Earbuds, 13mm Drivers, 50H Playtime, Matte Black

SKU CH-3MJV-SB48C

Two wireless earbud styles in one case swap between in-ear focus and open-ear awareness with 13 mm drivers, adaptive noise cancellation and up to 50 hours total playtime

  • Headphone styleTrue Wireless
  • Impedance32 ohms
  • ConnectionNo Jack
  • Wearing styleOpen ear
  • Noise cancellationAdaptive noise cancellation
  • Wireless technologyBluetooth
  • Two styles in one case: in-ear and open-ear clip-on
  • Active noise cancellation with transparency mode on in-ear pair
  • 13mm drivers deliver fuller sound for music and calls
  • Open-ear clip design reduces ear-canal pressure for all-day wear
  • Relay power swap gives up to 50 hours total playtime

Two Styles In One Case

This 2-in-1 true wireless set includes both in-ear and open-ear clip-on earbuds that share a single charging case. You can switch between the two fits depending on whether you need isolation or awareness throughout the day. The case lets you charge one pair while wearing the other so listening continues without interruption.

In-Ear For Focus Open-Ear For Awareness

Commuters and office workers who want active noise cancellation and 13mm drivers for immersive sound will prefer the in-ear buds. People who find in-ear tips uncomfortable for long sessions or who must stay alert to surroundings while walking or working should choose the open-ear clip-on pair instead. This set does not suit buyers who want a single dedicated form factor with a smaller case.

50 Hours Total Playtime With Relay Power

The charging case delivers up to 50 hours of combined listening time by letting you swap pairs while the other recharges. Each pair provides up to 25 hours of operating time on its own. Fast top-ups keep the cycle going so you rarely face a dead battery during daily use.

How it compares

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

Price $38.99
Pricier than about 64% of the 7,078 comparable items (median $25.99).

Specifications

Product
Brand nameKinglucky
Model nameA30
Product typeTrue Wireless
Product colorMatte Black
Audio & video
Headphone styleTrue Wireless
Impedance32 ohms
Wearing styleOpen ear
Noise cancellationAdaptive noise cancellation
Mic impedance~3K ohm
Connectivity
Wireless technologyBluetooth
Ports & slots
ConnectionNo Jack
Power
Battery pack25 h
Run time25 h

Questions about this item

Should I choose the in-ear or open-ear earbuds from the 2-in-1 case?

The case holds both styles: use the in-ear pair with 13 mm drivers and adaptive noise cancellation for focus, or switch to the open-ear clip-ons for all-day comfort and awareness.

What does the 50-hour playtime mean for daily use?

Up to 50 hours total listening time; one pair plays while the other charges in the case, so you can swap and keep going without plugging in.

What does the 32-ohm impedance mean when paired with a phone?

The 32-ohm drivers are easy to drive, so a typical smartphone or tablet will deliver full volume and dynamic range without an external amplifier.

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