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True black wireless earbuds in clip-anywhere charging case

YINGHUA

YINGHUA Wireless Earbuds 36h Battery IPX4 True Black

SKU CH-4MHK-ARBVW

Wireless earbuds delivering up to 36 hours total battery life with IPX4 sweat resistance and adjustable stay-aware mode

  • TypeHeadset
  • Up to 36 hours total battery life with charging case
  • 8 hours earbud playtime extended by 28 hours case reserve
  • 10-minute rapid charge delivers 2 hours of listening
  • IPX4 sweat and water resistance for active use
  • Adjustable Stay-Aware mode lets you hear surroundings without removing earbuds

Wireless Earbuds with 36-Hour Battery Life

These wireless earbuds deliver up to 36 hours of total listening time, combining 8 hours in the buds with an extra 28 hours from the charging case. They are suited for commuters, students or anyone who wants a full day of audio without hunting for a power socket. A rapid-charge feature adds 2 hours of playback from a 10-minute top-up. The IPX4 rating handles sweat and light rain during workouts or outdoor use.

Practical Limits of Bluetooth Audio and Battery

Wireless convenience means audio quality and connection stability depend on the Bluetooth implementation in your phone or laptop, not on the earbuds alone. Battery figures are maximums measured at moderate volume; louder levels or constant use of the stay-aware mode will reduce the 36-hour total. The charging case stores the additional 28 hours but must itself be recharged from a USB source when depleted. IPX4 protects against splashes and sweat, not submersion or high-pressure water.

Check Compatibility Before Ordering

Verify that your device supports standard Bluetooth audio profiles for calls and media playback. The adjustable stay-aware mode and EQ presets require the companion app, so confirm the app is available for your operating system. The clip-on case design adds bulk; ensure you have a pocket or bag that accommodates it. Buyers who need active noise cancellation, multi-point pairing or a waterproof rating higher than IPX4 should look elsewhere.

Highlights

  • Up to 36 hours total battery life with charging case
  • 8 hours earbud playtime extended by 28 hours case reserve
  • 10-minute rapid charge delivers 2 hours of listening
  • IPX4 sweat and water resistance for active use
  • Adjustable Stay-Aware mode lets you hear surroundings without removing earbuds

Specifications

TypeHeadset

Questions about this item

Which battery configuration gives me the full 36 hours of playtime?

The earbuds hold 8 hours and the charging case adds another 28 hours for a total of 36 hours.

What does the 36-hour figure mean when I am actually using the buds?

You get up to 8 hours of continuous listening from the buds themselves, then the case recharges them for up to 28 more hours before the case needs power.

What does the IPX4 rating protect against in everyday use?

IPX4 means the buds resist sweat and water splashes from any direction, so workouts and rain will not damage them.

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