These have never been used before. But opened as given by work. The Bose QuietComfort Ultra Headphones in black offer superior sound quality with a frequency range of 20 Hz, making them suitable for live monitoring. With Bluetooth wireless technology and noise cancellation feature, these over-the-ear headphones provide a convenient and immersive listening experience. The built-in microphone ensures hands-free calls, while the sleek design and comfortable headband form factor make them a stylish choice for on-the-go use. The Bose QuietComfort Ultra Headphones are a top-of-the-line option for those seeking high-quality sound in a portable package.
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