The HA-S91BN offers Active Noise Cancelling with large 40mm drivers for high quality sound. The comfortable, lightweight design with soft padding allows for extended use. Ambient Sound Mode function allows user to hear surrounding sounds while wearing headphones. Voice Assistant compatible. Simple and easy conversation with clear voice via the built-in microphone. A high-capacity rechargeable battery offers 42 hours (Bluetooth only), or 37 hours (Bluetooth + NC). Compact two-way foldable design for easy storage in the provided carrying pouch when not in use.

Features

• Wireless 
  
• Remote and Microphone
  
• Two-way Foldable design  
  
• Around Ear   
  
• Voice assistant compatible   
  
• Bass Boost Function   
  
• Noise Canceling  
  
• Ambient Sound Mode   

Audio specifications

• Dynamic frequency response range    10 - 22000 Hz
  
• Driver size    40 mm
  
• Magnet type    Neodymium
  
• Number of drivers per ear    1
  
• Driver sensitivity at 1kHz/1mW    100 dB
  
• Impedance    32 Ω

Headphone cord

• Type    Single-sided detachable cord
  
• Length    1.2 meter
  
• Plug    Gold plated 3,5mm mini-jack

Bluetooth specifications

• Bluetooth®    Version 5
  
• Class    1
  
• Frequency Range    2.4 GHz band (2.402 - 2.48 GHz)
  
• Effective Range    Line of sight approx. 10 meter

Bluetooth profiles

• A2DP   
  
• AVRCP    
  
• HFP

Supported audio formats

• SBC

Battery

• Battery Type Headphones    Li-polymer rechargeable battery
  
• Battery Life Headphones    Max. 42 hours
  
• Battery Life Music & Noise Canceling    Max. 37 hours
  
• Battery Life Noise Canceling    Max. 31 hours
  
• Max. Battery Life    42 hours
  
• Charging Time Headphones    3 hours

In the box

• Carrying pouch   
  
• Detachable cable    
  
• USB charging cable

Weight

• Headphone weight    195gram