HEADPHONES DEFENDER BLUETOOTH FREEMOTION B651

Headphone frequency: 20 - 20000 Hz | Wearing style: Head-band | Connectivity technology: Wireless | Product type: Wireless headphones | Headphone sensitivity: 105 dB | Recommended usage: Universal | USB input port type: USB C | AUX in: Yes | Warnings: The product contains batteries which must be disposed of correctly. | Warnings: Read the user manual before use. | Warnings: Do not disassemble or modify the product yourself. | Headset type: Binaural | Quantity: 1 | Acoustic system: Closed