Sennheiser HD 4.40BT Wireless Headset

Key Features

• Headset type: Binaural
• Ear coupling: Circumaural
• Total Harmonic Distortion (THD): 0.5%
• Impedance: 18Ω
• Headphone sensitivity: 113dB
• Volume control: Digital
• Microphone type: Built-in
• Acoustic system: Closed
• Microphone frequency: 100 - 10000Hz
• Wearing style: Head-band
• Headphone frequency: 18 - 22000Hz
• Product colour: Black
• Storage pouch: Yes
• Connectivity technology: Wired & Wireless
• Headset connectors supported: 3.5mm stereo