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Black wireless earbuds with earhooks and charging case

SuperTooth C16 Bluetooth 5.4 earbuds 60h playback

SKU CH-V6G4-FRVQ6

Wireless earbuds with Bluetooth 5.4, 14.2 mm graphene drivers and ENC microphones deliver 60 hours total playback and IP7 water resistance

  • Talk durationUp to 15 hour(s)
  • Music playtimeUp to 15 hour(s)
  • Standby duration8 h
  • Charging time2 h
  • Bluetooth standard5.0
  • Battery packLithium polymer, 8 h, 1 g, 1, true, 0.37 Wh
  • Immersive sound from 14.2 mm graphene drivers boosting frequency range by 70%
  • Crystal-clear calls via four ENC microphones cutting external noise by 80%
  • Stable Bluetooth 5.4 connection with 35 ms lower latency and 45% less power draw
  • 60-hour total playback with case recharging earbuds six times over
  • 10-minute USB-C fast charge adds two extra hours of listening time

What the C16 earbuds deliver

The SuperTooth C16 true-wireless earbuds use Bluetooth 5.4 to provide up to 60 hours of total playback from the charging case. Each bud runs for up to 15 hours on a single charge and supports touch controls for music and calls. They are built for listeners who want long battery life and clear voice pickup without a neckband or cable.

Bluetooth 5.4 practical limits

The earbuds implement Bluetooth 5.4 with HFP, A2DP, HSP and AVRCP profiles for stereo audio and hands-free calls. Compared with Bluetooth 5.3 the link offers 45 percent lower power draw and 35 ms less latency while maintaining a stable range of 50 feet. Devices that only support older Bluetooth revisions will fall back to those versions and lose the efficiency gains.

Build, IP7 rating and charging case

The buds carry an IP7 waterproof rating so they survive heavy sweat and rain during workouts. A dual LED display on the case shows the remaining percentage from 1 to 100 while charging. The case recharges over USB-C and a 10-minute top-up adds roughly 2 hours of playtime. Earhooks keep each bud secure during vigorous movement.

How it compares

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

Price $19.99
Cheaper than about 64% of the 870 comparable items (median $30.99).

Specifications

Product
Brand nameSuperTooth
Product lineC16
Model nameC16
Product colorBlack
Connectivity
Bluetooth standard5.0
Power
Talk durationUp to 15 hour(s)
Music playtimeUp to 15 hour(s)
Standby duration8 h
Charging time2 h
Battery packLithium polymer, 8 h, 1 g, 1, true, 0.37 Wh
Size & build
Product dimensions14.33 in W × 12.83 in H × 9.06 in D
Product weight1 g
Compatibility
Compatible withCellphones

Questions about this item

Should I pick the C16 earbuds for 60 hours total playtime or rely on the 15-hour single-charge claim?

The charging case delivers 60 hours combined; each earbud runs 8 hours per charge and the case adds six full recharges, so the 15-hour single-charge figure does not apply to this model.

What does the 14.2 mm graphene driver and 18 Hz–25 kHz range mean for daily listening?

The larger driver and extended frequency response produce deeper bass and clearer treble, giving more detail in music and clearer voices on calls.

How does Bluetooth 5.4 change the connection compared with Bluetooth 5.3?

Bluetooth 5.4 cuts power use by 45 % and latency by 35 ms while keeping a stable link up to 50 feet, so audio stays in sync and the battery lasts longer.

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