Features:

• Ergonomic In-Ear Fit: The curved design of the in-ear part offers a comfortable and stable wearing experience, eliminating pressure and discomfort.
  

• Intelligent Noise Reduction: Experience ENC Environmental Noise Reduction technology that minimizes background noise for high-quality sound and calls.
  

• Comfortable and Durable Design: Made from skin-friendly, soft silicone that can bend without deformation, maintaining integrity after 10,000 bends.
  

• Long Battery Life: Enjoy up to 135 hours of battery life, with super fast charging that provides 6 hours of use after just 10 minutes of charging.
  

• Studio-Quality Sound: Benefit from ACEFAST’s professional sound modulation, delivering ultimate sound quality for an immersive listening experience.
  

• IPX4 Waterproof: Designed for active lifestyles, these earphones are sweat-resistant, allowing you to exercise without worry.
  

• Stable Fit for Active Use: Engineered to stay securely in place during intense activities like cycling, running, and sports, ensuring you can focus on your workout.
  

　

Specification:

• Model: 8331
  
• Style: N2
  
• Material: PC + Silicone
  
• Size: 93 cm
  
• Weight: 30g
  
• Transmission Distance: 10 M
  
• Charging Time: 2 Hours
  
• Music Mode: About 40 Hours (at 50% volume)
  
• Call Time: About 35 Hours
  
• Standby Time: ≥135 Hours
  
• Battery Capacity: 180mAh/3.7V
  
• Frequency Response: 20Hz - 20kHz
  
• Waterproof Grade: IPX4

Package Includes:

1 x Earphones
2 x Eartips
1 x USB to Type-C Cable