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Tiny black in-ear buds in a rounded tumbler charging case

SuperTooth BDW-SK18 Bluetooth earbuds, black

SKU CH-CYQV-YBF36

Ultra-light earbuds with 13 mm drivers deliver 15 hours of talk or music time and 24 hours total with the tumbler charging case

  • Talk durationUp to 15 hour(s)
  • Music playtimeUp to 15 hour(s)
  • Standby duration4 h
  • Charging time2 h
  • Bluetooth standard5.0
  • Battery packLithium ion, 4 h, 0.6 g, 3, true, 30 Wh
  • Pressure-free fit for side sleepers with ultra-light 0.08oz earbuds
  • 13mm drivers deliver deep bass and clear mids for immersive sound
  • 15 hours talk time and 15 hours music time per charge
  • Tumbler charging case adds 24 hours total playtime with LED display
  • Sound isolation and touch controls in compact 1.9-inch design

SuperTooth BDW-SK18 Sleep Earbuds

The SuperTooth BDW-SK18 are wireless Bluetooth earbuds built for sleep and daily use. Their ultra-light 0.08oz per bud construction and low-profile shape sit flush in the ear without pressure. A tumbler-style charging case provides portable power and fits easily in a pocket. Touch controls manage playback and calls without reaching for a phone.

Side sleepers and commuters needing invisible fit

These earbuds suit side sleepers who need buds that stay comfortable against a pillow all night. They also work for travellers wanting a tiny case that disappears in a bag. Buyers who require active noise cancellation or extended single-charge playback beyond four hours should look at other models. The design prioritises physical disappearance over electronic isolation.

Four-hour bud life with 24-hour case total

Each bud delivers up to four hours of music or talk time on one charge. The charging case stores one additional full cycle, reaching 24 hours combined before needing a wall outlet. Recharging the case takes two hours. This single-charge limit is the key figure to match against your longest sleep or travel session.

How it compares

Measured against everything we stock in Bluetooth Earbuds & Headsets, at today’s prices. Recalculated every night.

Price $20.99
Cheaper than about 63% of the 870 comparable items (median $30.99).

Specifications

Product
Brand nameSuperTooth
Product lineBDW-SK18
Model nameBDW-SK18
Part numberSK18
Product colorBlack
Connectivity
Bluetooth standard5.0
Power
Talk durationUp to 15 hour(s)
Music playtimeUp to 15 hour(s)
Standby duration4 h
Charging time2 h
Battery packLithium ion, 4 h, 0.6 g, 3, true, 30 Wh
Size & build
Product dimensions14.33 in W × 12.83 in H × 9.06 in D
Product weight39 g

Questions about this item

What part of the SuperTooth BDW-SK18 earbuds will wear out first and need replacement?

The lithium-ion battery inside each bud is rated for about 4 hours of playback per charge; when that runtime drops noticeably the cells will need to be replaced.

Which limit appears first during an all-night session — battery life or driver headroom?

The 4-hour single-charge playback limit arrives before the 13 mm drivers reach any thermal or output ceiling.

Do the earbuds or their tumbler case get warm after hours of continuous use?

At only 0.6 grams per bud the 13 mm drivers stay cool, and the charging case remains at ambient temperature during its 24-hour total cycle.

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