Defender Bluetooth Freemotion Headphones B645 Gray 63646

Efficiency Headset type: Stereo Product type: Wireless headphones Application: Universal Wearing style: Headband Package contents Quantity: 1 Ports and interfaces Connection method: Wireless AUX input: Yes USB socket port type: USB C 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 Headphone construction: Circumaural Acoustic system: Closed Frequency response: 20 - 20000 Hz Headphone sensitivity: 105 dB