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Two tiny white earbuds and a matching charging case with LED display

LORDWORLD

LORDWORLD M51 Sleep Earbuds Bluetooth 5.4 White 58H

SKU CH-XPJ5-7FRCE

Ultra-light 3.0 g sleep earbuds with Bluetooth 5.4, touch controls and a pocket case delivering 58 hours total playtime

  • Bluetooth 5.4 gives rock-solid connections up to 12 m
  • 58-hour case life keeps you listening for days
  • 0 g feather-light buds stay comfortable all night
  • Side-sleeper ergonomics hug the inner ear for a secure fit
  • LED power display shows exact case charge at a glance

Sleep Earbuds for Side Sleepers

LORDWORLD M51 earbuds are designed for people who want audio while lying on their side. Each bud weighs 3.0 g and follows the inner curve of the ear for a stable fit. Bluetooth 5.4 provides a reliable link up to 12 m from the source device. The set works with both iOS and Android phones.

Battery Life and Charging

The charging case holds enough power for 58 hours of total playtime. A single charge of the buds gives 5 to 7 hours of listening. An LED display on the case shows remaining capacity at a glance. Type‑C fast charging replenishes the case quickly.

Passive Noise Blocking Only

These earbuds reduce ambient sound through physical fit alone. They do not have active noise cancellation, so very loud environments will still be heard. Buyers who need electronic noise cancellation should look at a different model.

How it compares

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

Price $28.99
Typical for this category: the median of 7,078 items is $25.99.

Specifications

Product
Brand nameLORDWORLD

Questions about this item

How do I pair the LORDWORLD M51 earbuds with my phone for the first time?

Open the charging case lid and the earbuds enter pairing mode automatically via Bluetooth 5.4. Select "M51" on your device. The step people miss is keeping the earbuds inside the open case until the connection confirms.

Which parts of the M51 will need replacement after daily overnight use?

The silicone ear tips are the only wear item. Skin oils and nightly pressure degrade the seal over time, so keep spare tips handy. The 3.0 g plastic shells and 10 mm drivers are not user-serviceable.

How long can I listen continuously before the M51 earbuds themselves run flat?

Each bud delivers 5 to 7 hours per charge. That single-bud limit arrives well before the case exhausts its 58-hour reserve, so plan charging breaks for all-night sessions.

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