JBL QUANTUM 600 Gaming Headset/Headphones/3.5MM + 2.4GHz Wireless Connection/Black/JBLQUANTUM600BLK [Domestic Genuine Product] Brand: JBL Color: Black Ear Placement: Over-Ear Headphone Type: Over-Ear Impedance: 32 Ohm Noise Control: Sound Isolation Certified product with technical standards compliance mark. Frequency band: 2.402 GHz - 2.480 GHz 50mm Dynamic Driver Up to 14 hours of music playback, 2 hours charging time Compatible with 3.5mm stereo mini-plug Supports 2.4GHz wireless connection Weight: 346g I purchased this last year for gaming, but I only used it for about 6 hours a month. There are no scratches on the main unit or the box. The ear pads are also clean with no scratches. Operation is also problem-free. Used by a woman, there is no tobacco smell, and there's nothing to be concerned about. JBL QuantumSOUND Signature reproduces everything from subtle footsteps to the roar of explosions. It provides sound quality suitable for grand scenes and more accurate and advantageous positioning for players. Certified 50mm diameter drivers provide an immersive sound curve. The sound is tuned specifically for gaming by JBL engineers. JBL's unique audio provides a more realistic sound environment and an advantage in games. It has a built-in battery that allows for up to approximately 14 hours of use with a 2.4GHz wireless connection (charging time approximately 2 hours). The JBL QuantumSOUND Signature, designed for immersive sound, creates an audio environment that is advantageous for game development.