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Black in-ear wireless earbuds in a matching charging case with USB-C cable

STA m73 Bluetooth 5.3 earbuds 34 h IPX7 black

SKU CH-7M4A-9VJ18 MPN m73

Wireless earbuds deliver 34 hours of playback with Bluetooth 5.3, IPX7 waterproofing and ENC microphones

  • TypeEarbuds
  • ColorBlack
  • Power SupplyBattery
  • ConnectorY
  • Ear CouplingEarbud
  • Cord Length0.25 in
  • Bluetooth 5.3 keeps the link stable up to 66 ft
  • Four ENC mics cut background noise for clear calls
  • 34-hour battery life with USB-C charging case
  • IPX7 rating shrugs off sweat, rain and splashes
  • In-ear fit with protein-leather tips blocks outside sound

Ready for daily use

The STA m73 are in-ear wireless earbuds with Bluetooth 5.3 connectivity and a stated 34-hour total operating time including the charging case. They target commuters, gym-goers and anyone who wants cable-free audio for calls, music or video on Android and iOS devices. An IPX7 rating means they survive sweat, rain and accidental splashes without damage.

Simple pairing and fit

Open the case and the earbuds enter pairing mode automatically; the USB-C cable recharges the case in a single session. Four built-in ENC microphones filter background noise during calls, though wind rushing past the stems can still be audible at speed. The protein-leather tips come in one size, so users with very small or very large ear canals may struggle to get a secure seal.

Steady output for long sessions

The 14500 cell inside the case delivers the advertised 34 hours of combined playback at moderate volume, and the LED display shows remaining charge in ten-percent steps. Bluetooth 5.3 maintains a stable link up to the quoted 66 ft indoors, but concrete walls cut the practical range roughly in half. Audio quality stays consistent until the final ten percent of case capacity, when volume may dip slightly to preserve battery health.

Highlights

  • Bluetooth 5.3 keeps the link stable up to 66 ft
  • Four ENC mics cut background noise for clear calls
  • 34-hour battery life with USB-C charging case
  • IPX7 rating shrugs off sweat, rain and splashes
  • In-ear fit with protein-leather tips blocks outside sound

Specifications

BrandSTA
TypeEarbuds
ColorBlack
Power SupplyBattery
ConnectorY
Ear CouplingEarbud
Cord Length0.25 in
Noise CancellingSound Isolation
Wireless TypeY
Battery34 h
Operating Time34 h
Distance66 ft
FeaturesSound Isolation, Y, In-Ear, Battery, 34 h battery life

Questions about this item

How do I confirm the STA m73 earbuds are paired and playing correctly after setup?

After pairing via Bluetooth 5.3, check the LED display on the charging case for battery status and play audio to verify stereo bass output and stable connection up to 66 ft.

What accessories are included with the STA m73 and what must I buy separately?

The box contains one pair of earbuds with protein leather ear pads, a charging case with LED display, and a USB-C cable. No separate purchases are required for basic operation.

Which Bluetooth version should I expect on the STA m73 — 5.3 or 5.4?

The product name and specifications list Bluetooth 5.3; the manufacturer highlights mention 5.4, but the confirmed spec for this model is Bluetooth 5.3.

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