If you're passionate about IT and electronics , like being up to date on technology and don't miss even the slightest details, buy Headphones HP 77Z31AA Black at an unbeatable price. The HP 77Z31AA headphones offer a versatile and comfortable solution for those seeking quality audio in both professional and personal settings. This model stands out for its black design and ergonomic construction, providing long-lasting comfort during extended use. Equipped with wireless connectivity via Bluetooth 5.1 , they enable fast and stable pairing with a wide range of devices, whether through USB or USB-C , ensuring compatibility with both modern and traditional computers. Featuring noise cancellation , they guarantee clear calls and video conferences even in noisy environments, and a high-sensitivity microphone enhances voice quality during communication. Additionally, the dual connection mode (wireless and wired) offers great flexibility to suit different needs, making them especially practical for users who switch between remote work and commuting. The careful combination of technical features, sound quality, and productivity-focused functionality makes the HP 77Z31AA a solid and reliable choice for those who demand performance and comfort from their everyday headphones. Includes: USB-C Cable Charging base Case Type: Headphones Earpiece Wireless Headphones with Headband Headphones with Microphone Frequency: 20 - 20000 Hz Cable length: 1,5 m Type of headphones: External supraaural Connectivity: Bluetooth Wireless Bluetooth 5.1 Battery type: Litio Ion Rechargeable lithium battery Connections: USB-C USB Characteristics: Built-in battery Wireless Colour: Black Compatible: Windows 10 Mac OS Approx. autonomy: 24 hours Battery: Yes Recommended age: Adults Material: Leather Headphones: Binaural Year: 2021 Recommended use: Calls and music