Headphones Koss / BT221i / Wireless / In-ear / Microphone / Black

Technical Specifications

• Product colour
  Black
• Headset type
  Binaural
• Product type
  Headset
• Volume control
  Buttons
• Recommended usage
  Sports
• Wearing style
  Ear-hook
• Bluetooth version
  4.2
• 3.5 mm connector
  No
• Bluetooth
  Yes
• USB connectivity
  No
• Connectivity technology
  Wireless
• Battery technology
  Lithium-Ion (Li-Ion)
• Rechargeable battery
  Yes
• Continuous audio playback time
  6 h
• Battery type
  Built-in battery
• Buttons quantity
  3
• 2.5 mm connector
  No
• Cord clip
  Yes
• Warnings
  Do not disassemble or modify the product yourself.
• Headphone sensitivity
  101 dB
• Headphone frequency
  50 - 18000 Hz

Ratings