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Pair of dark black in-ear wireless earbuds with charging case

Thunelec BK01-001 Wireless Earbuds Bluetooth 5.4 90h Dark Black

SKU CH-KB7Y-61WPK

Bluetooth 5.4 in-ear headphones with 90-hour battery life, 14 mm graphene drivers, ENC noise-cancelling microphone and real-time translation

  • TypeIn-Ear
  • ColorDark Black
  • THDIn Ear
  • Power Supplybattery, a, aa, true
  • Ear CouplingSingle Ear
  • Cord LengthUser Manual
  • Hi-Fi audio from 14 mm graphene drivers
  • ENC microphones cut background noise on calls
  • Bluetooth 5.4 gives 0.1 s latency and 15 m range
  • 50 % fewer interruptions with optimised antenna
  • 90 hours total playback from case and buds

Thunelec BK01-001 Wireless Earbuds

These in-ear headphones use Bluetooth 5.4 to connect with Android and iOS phones. They provide up to 90 hours of operating time on a single charge and recharge fully in two hours. The dark black finish suits daily commuting, office calls and indoor workouts. Buyers who want over-ear comfort or a wired fallback will need a different design.

Real-time translation and ENC microphone

An integrated application enables real-time language translation during conversations. The ENC noise-cancelling microphone reduces ambient chatter and traffic so voices stay clear on Zoom, Teams or standard calls. A 14 mm graphene driver with a three-layer composite diaphragm delivers richer stereo and 85% deeper bass. Users who require active noise cancellation for the listener will not find it here.

Simple pairing and fit adjustment

Opening the charging case triggers automatic pairing, removing manual connection steps. The bundle includes a cable, user manual and eartips so you can swap tips for a secure seal. Latency sits at 0.1 second with a 15 metre range and 50% fewer interruptions. Anyone needing multipoint pairing or a dedicated EQ app will have to look elsewhere.

Highlights

  • Hi-Fi audio from 14 mm graphene drivers
  • ENC microphones cut background noise on calls
  • Bluetooth 5.4 gives 0.1 s latency and 15 m range
  • 50 % fewer interruptions with optimised antenna
  • 90 hours total playback from case and buds

Specifications

BrandThunelec
ModelBK01, BK01-001
Part NumberBK01-001
TypeIn-Ear
ColorDark Black
THDIn Ear
Power Supplybattery, a, aa, true
Ear CouplingSingle Ear
Cord LengthUser Manual
Battery90 hours
Operating Time90 hours
Charge Time2 hours
Contains Embedded Batterybattery
Features90 hours, application, Wireless, In Ear, BK01 Wireless Earbuds *2
Package ContentsBK01 Wireless Earbuds *2, Cable, User Manual, Eartip

Questions about this item

How long before the battery needs replacement with daily use?

The case and buds deliver 90 hours total playback and recharge in 2 hours; battery lifespan depends on individual charging habits.

What limits continuous listening before the buds must go back in the case?

Each charge provides up to 48 hours of playback, after which the buds need to return to the case for recharging.

How warm do the buds get and how much power do they draw during all-day calls?

Bluetooth 5.4 with 0.1 s latency and 14 mm graphene drivers is designed for low power draw; heat stays minimal during extended use.

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