Wireless Headphones with microphone DEFENDER FREEMOTION B571 LED

Headset type: Binaural | Operating time: 6 - 8 hours | Recommended usage: Universal | Driver unit: 4 cm | Product type: Headset | Maximum operating distance: 10 m | Quantity: 1 | Wearing style: Head-band | Ear coupling: Circumaural | LED backlight: Yes | Connectivity technology: Wireless | Acoustic system: Closed | Headphone sensitivity: 105 dB | Headphone frequency: 20 - 20000 Hz