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Black in-ear wireless earbuds in a charging case with LED display

YINGHUA

YINGHUA S66 Bluetooth 5.4 Earbuds 50H Black

SKU CH-QKK9-XCNA9

True wireless earbuds with Bluetooth 5.4, 50-hour total playtime, 13.4 mm graphene drivers, 85 % ENC noise reduction and IPX7 waterproofing

  • TypeHeadset
  • 50 hours total playback with charging case
  • Bluetooth 5.4 for stable wireless connection
  • 4 mm graphene drivers deliver deep bass
  • Dual ENC mics cut 85 % background noise
  • IPX7 rating resists sweat and rain

YINGHUA S66 Bluetooth 5.4 Earbuds

The YINGHUA S66 are true wireless earbuds built for listeners who want long playback without frequent recharging. They use Bluetooth 5.4 for a stable connection to phones, tablets and laptops. An IPX7 rating means they survive sweat, rain and light splashes during workouts or commutes. Touch controls handle music, calls and voice assistants directly on the buds.

50-hour case and dual LED display

Each bud delivers up to eight hours of continuous play and the charging case extends total listening time to fifty hours. A dual LED display on the case shows the remaining power for both the case and the earbuds at a glance. The case charges via a standard USB cable so you can top up from any laptop, power bank or wall adapter. Auto-pairing activates the moment both buds leave the case after the first setup.

13.4 mm graphene drivers and ENC mics

The 13.4 mm graphene diaphragm produces deep bass, clear mids and bright highs for music and podcasts. Dual hybrid ENC microphones suppress eighty-five percent of background noise so your voice stays clear on calls even in busy environments. Bluetooth 5.4 maintains the link during extended sessions without the dropouts common on older versions. Buyers who need active noise cancellation or a dedicated low-latency gaming mode should look elsewhere.

Highlights

  • 50 hours total playback with charging case
  • Bluetooth 5.4 for stable wireless connection
  • 4 mm graphene drivers deliver deep bass
  • Dual ENC mics cut 85 % background noise
  • IPX7 rating resists sweat and rain

Specifications

TypeHeadset

Questions about this item

How long does each earbud last on a single charge before the case is needed?

Each earbud delivers up to 8 hours of playback on a single charge, with the case extending total playtime to 50 hours.

Do the earbuds stay cool and quiet during hours of continuous use?

The earbuds run silently and generate no noticeable heat during extended listening sessions.

Which devices can pair with the Bluetooth 5.4 connection?

The earbuds pair with any phone, tablet or computer that supports Bluetooth 5.4, including Android and iPad.

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