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Tiny blue in-ear buds with a matching touchscreen charging case

SuperTooth SU9 Sleep Earbuds Bluetooth 5.4 Blue

SKU CH-6T8C-4SYPQ

Ultra-light 3.0 g in-ear buds with Bluetooth 5.4, sleep mode, touchscreen case and 48 h playtime for comfortable side-sleeping

  • Talk durationUp to 15 hour(s)
  • Music playtimeUp to 15 hour(s)
  • Standby duration48 h
  • Bluetooth standard5.0
  • Battery packLithium polymer, 48 h, 0.85 g, 1, true, 0.37 Wh
  • Product colorBlack
  • Pressure-free all-night comfort with 3.0 g ultra-light ergonomic fit
  • Sleep mode silences low-battery alerts for uninterrupted rest
  • Smart touchscreen case controls playback, EQ and settings at a glance
  • 13 mm dynamic drivers deliver rich bass and clear calls
  • Up to 48 h total playtime from compact charging case

Sleep Earbuds for Side Sleepers

SuperTooth SU9 earbuds are designed for people who want audio while lying down. Each bud weighs 3.0 grams and uses an ear-fitting shape that stays comfortable through the night. Bluetooth 5.4 provides a stable wireless link to iOS and Android devices. A sleep mode silences low-battery and shutdown alerts so rest is not interrupted.

48-Hour Total Playtime with Touchscreen Case

The charging case stores enough power for 48 hours of combined listening or talk time, while each bud delivers up to 15 hours on a single charge. A full-colour LED touchscreen on the case lets you control playback, adjust volume, switch tracks, answer calls and activate sleep mode without reaching for a phone. The interface also offers seven language options and adjustable wallpaper brightness.

Suited for Overnight Listening, Not Extended Day Use

Side sleepers and light sleepers benefit from the tiny form factor and pressure-free fit. Buyers who need all-day battery without recharging the case, or who prefer over-ear designs for noise isolation, should look at other styles. The earbuds focus on night-time comfort and bedside control rather than marathon daytime sessions.

How it compares

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

Price $52.99
Pricier than about 71% of the 870 comparable items (median $30.99).

Specifications

Product
Brand nameSuperTooth
Product lineSU9
Model nameSU9
Product colorBlack
Connectivity
Bluetooth standard5.0
Power
Talk durationUp to 15 hour(s)
Music playtimeUp to 15 hour(s)
Standby duration48 h
Battery packLithium polymer, 48 h, 0.85 g, 1, true, 0.37 Wh
Compatibility
Compatible withCompatible with iOS, Android and all devices with Bluetooth connectivity.

Questions about this item

How does the 13 mm driver perform in a real ear?

The 13 mm dynamic driver delivers rich bass, crisp mids and shimmering highs with a tuned in-ear acoustic structure that balances air pressure to reduce leakage and improve clarity.

What does Bluetooth 5.4 actually limit in daily use?

Bluetooth 5.4 provides wireless connectivity to iOS, Android and any Bluetooth device; range and stability depend on the source device and environment.

Will the 3.0 gram buds and case fit a small nightstand?

Each bud weighs 3.0 grams and the compact charging case slips easily into a pocket or onto a small nightstand.

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