Wireless Headphones with microphone DEFENDER FREEMOTION B571 LED

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