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FirstClass 50

FirstClass 50

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Certified carbon neutral
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1-Year Warranty
Color
$39.99
$39.99 $39.99
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  • AI-Powered Active Noise Cancellation: Enjoy peace and quiet anywhere with A.I.-powered noise canceling that blocks our 97% of noise from planes, trains, and traffic
  • Transparency Mode: Hear the world around you with a quick switch. Transparency Mode lets ambient sound in while keeping your earbuds in place.
  • QuickCharge™ Battery: Get 2 hours of music with just 15 minutes of charging! Play for up to 5 hours per earbud, with 25 hours total from the case.
  • Low Latency for Gaming & Movies: Bluetooth 5.4 ensures ultra-low 20ms latency for seamless gaming and streaming. Dual mics keep calls crystal clear.
  • Bass Mode: Switch between our Signature Sound and Bass Mode for deep, rich audio. Experience stunning sound designed in Boston.
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TECHNICAL SPECIFICATIONS

  • -BT Version: 5.4
  • -Driver Sensitivity: 107±3dBA
  • -Output Maximum: 5mW
  • -Impedance: 32Ω
  • -Total Harmonic Distortion: 100Hz-5600Hz≦3%
  • -Codecs Supported: SBC/AAC/MP3
  • -Profiles Supported: HSP, HFP, A2DP, AVRCP, HI-RES L-D.A.C.
  • -Frequency Range: 20 Hz – 20,000Hz
  • -Driver Size: Φ10mm
  • -Frequency Band: 2402 - 2485 mHz
  • -Wireless Range: 10m
  • -Microphone Type: Environmental Noise Cancellation, omni-directional
  • -Microphone Sensitivity: -38±1dBA
  • -Microphone Features: CVC Noise Cancellation
  • -Supports Cellphone Voice Assistants
  • -Waterproof Rating: IPX-5
  • -Battery Type: Lithium Ion
  • -Battery Voltage 3.7 V
  • -Maximum total playtime with charging case: 25 hours
  • -Charging Case Recharges Earbuds 4 times on a Single CaseCharge
  • -Earbud Playtime without ANC: 5 hours
  • -Earbud Playtime with ANC: 4 hours
  • -Total Playtime with Charging Case:
  • -Recharge Time: About 2 Hours
  • -Earbud Battery Capacity: 35 mAh
  • -Charging Case Battery Capacity: 500 mAh
  • -Charging Port: USB-C
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