Kalsten | Invisible Sleep In-Ear Earphones

Ultra-thin design, long-lasting power, all-day comfort

• Crystal-clear sound Redesigned high, medium and low frequencies, equipped with large dynamic speakers, bring balanced immersive sound.
  
• Extended battery life Large-capacity charging box equipped with advanced 5.3 chips to ensure lower power consumption and longer use time.
  
• Intelligent noise reduction Innovative anti-rust noise reduction technology improves call quality by reducing environmental noise.
  
• Dual host design Independent dual-channel operation for seamless and fast connection without master-slave restrictions.

Intelligent noise reduction, clear and interference-free calls

Thin and light without delay Large dynamic speakers, equipped with high and low frequencies redesigned by international tuning masters, balanced sound layer restoration.

• Large charging compartment
  Equipped with 5.3 chips, lower power consumption, long life, no need for frequent charging.
• Intelligent noise reduction
  Adopting new voice noise reduction technology, it effectively solves the interference of environmental noise during calls and greatly improves call quality.
• Independent dual hosts
  Break through the master-slave restrictions of traditional wireless headphones Dual hosts and dual channels, quick connection when you pick them up

Achieve touch and delay-free gaming accuracy

Upgraded Bluetooth 5.3 0ch immersive sound, balanced clarity

Equipped with a powerful Bluetooth 5.3 chip, it has stronger anti-interference and faster and more stable transmission

Details

• Bluetooth version: V5.3
  
• Wireless distance: about 10 meters (under barrier-free conditions)
  
• Headphone power: 35MAH on each side
  
• Charging compartment power: 350MAH
  
• Input: 5V=1A(MAX)
  
• Charging time: about 1.5 hours
  
• Headphone weight: about 1G for a single earphone
  
• Charging compartment weight: about 28G
  
• Color: black, white, skin color, blue, pink, purple

Packaging:

• 1 * Invisible Sleep In-Ear Earphones