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Obsidian gold open-ear bone conduction headphones with charging case

Yistao LibreFit Pro B8 Open Ear Headphones Bluetooth 6.0 60h IP68 obsidian gold

SKU CH-C1QG-HYVJ0

Open-ear bone-conduction headphones with Bluetooth 6.0, 60-hour battery, IP68 rating and liquid silicone comfort for sport

  • TypeOn-Ear
  • Colorobsidian gold
  • Driver Unit15 millimeters
  • THDOpen Ear
  • Input Impedance8 ohms
  • Signal to Noise Ratio(SNR)86 decibels
  • Open-ear design keeps you aware while you move
  • Up to 60 hours total playtime with the charging case
  • Bluetooth 6.0 connects instantly at double the pairing speed
  • IP68 rating withstands sweat, rain and dust
  • 15 mm driver and 86 dB sensitivity deliver clear, balanced sound

Open-Ear Design for Active Use

The Yistao LibreFit Pro B8 uses open-ear bone conduction so you hear audio while staying aware of traffic or instructors. It suits runners, cyclists and yoga practitioners who need situational awareness. Swimmers and indoor trainers benefit from the IP68 rating. Buyers who want noise isolation or deep sub-bass impact should choose a sealed in-ear model instead.

ToneTerra and SonicBoost 2.0 Audio Tuning

The upgraded ToneTerra system raises maximum volume by 30 percent over the previous generation. SonicBoost 2.0 technology balances low frequencies with clear highs. A dedicated EQ mode lifts mid-range contours so voices in podcasts and audiobooks stand out. No active noise cancellation is included, so ambient sound always mixes with playback.

Bluetooth 6.0 Instant Pairing

Opening the charging case triggers an instant Bluetooth 6.0 link that pairs twice as fast as the earlier 5.3 implementation. Liquid skin-friendly silicone replaces hard plastic, cutting wearing pressure by 40 percent and adding grip so the units stay put during movement. The case stores 60 hours of total playtime and recharges fully in 2 hours 5 minutes.

Highlights

  • Open-ear design keeps you aware while you move
  • Up to 60 hours total playtime with the charging case
  • Bluetooth 6.0 connects instantly at double the pairing speed
  • IP68 rating withstands sweat, rain and dust
  • 15 mm driver and 86 dB sensitivity deliver clear, balanced sound

Specifications

BrandYistao
ModelB8, LibreFit Pro B8
TypeOn-Ear
Colorobsidian gold
Driver Unit15 millimeters
THDOpen Ear
Input Impedance8 ohms
Signal to Noise Ratio(SNR)86 decibels
Power Supplybattery, true
Sensitivity86 decibels
ConnectorNo Jack
Ear Couplingopen_ear
Cord LengthCable
Noise Cancellingnone
Wireless TypeBluetooth
Battery60 hours
Operating Time60 hours
Charge Time2 hours, 5 minutes
Distance10 meters
Contains Embedded Batterybattery
Microphone Impedance8 ohm
Microphone Signal to Noise Ratio(SNR)86 decibels
Microphone Sensitivity86 decibels
Featuresnone, 6, 60 hours, Wireless, Open Ear, bone_conduction_driver, 8 ohm, 10 meters, LibreFit Pro B8 earphones X2
Package ContentsLibreFit Pro B8 earphones X2, Wireless Charging Case, Cable, User Manual

Questions about this item

Will the 15 mm bone-conduction drivers need replacement or maintenance over time?

The 15 mm drivers are sealed inside the IP68-rated housing; no user-serviceable parts are inside, so no routine maintenance or driver replacement is expected.

What limit appears first during a full-day session — the 60-hour battery or the 10-metre Bluetooth 6.0 range?

Battery life reaches 60 hours with the case, while the Bluetooth 6.0 link stays stable up to 10 metres; range drops off before the battery does.

How much heat or noise do the open-ear units produce when worn continuously for hours?

The open-ear design with liquid silicone contact runs cool and silent; no active cooling or noise-cancelling circuitry adds heat or audible hiss.

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