Defender Bluetooth Freemotion Over-Ear Headphones B475 ANC Beige 63475

Efficiency Wearing style: Headband Application: Universal Product type: Wireless headphones Headset type: Stereo Package contents Quantity: 1 Ports and interfaces Connection method: Wireless USB socket port type: USB C AUX input: Yes Safety warning Warnings Do not disassemble or modify the product yourself. Please read the instruction manual before use. This product contains batteries that should be disposed of properly. Headphones Frequency response: 20 - 20000 Hz Headphone sensitivity: 112 dB Acoustic system: Closed Headphone construction: Circumaural