Defender Bluetooth Freemotion Over-Ear Headphones B645 Black 63645

Efficiency Application: Universal Product type: Wireless headphones Headset type: Stereo Wearing style: Headband 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. This product contains batteries that should be disposed of properly. Please read the instruction manual before use. Headphones Headphone sensitivity: 105 dB Frequency response: 20 - 20000 Hz Acoustic system: Closed Headphone construction: Circumaural