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The Logitech headset with microphone model 981-000475 offers a complete solution for users who need comfort and audio quality, thanks to its over-ear headset design in black that provides a stable and comfortable fit during long sessions. These headphones connect via USB with radio frequency technology, ensuring reliable, interference-free transmission for activities ranging from Internet calls to videoconferences or multimedia entertainment. Its structure combines aluminum and plastic , materials that guarantee durability and lightness, while the integrated microphone enables clear and crisp communication, essential for professional or educational environments. Additionally, it includes an installation guide for easy and quick setup, allowing any user to fully utilize its features without technical difficulties. The sound quality meets basic demands for clarity and good audio balance, offering a versatile and practical experience for both remote work and digital leisure. Overall, this Logitech model stands as a reliable and affordable option that combines functional design with suitable features for users who value an efficient and easy-to-install headset with microphone. Voltage: 1,5 V Type: Wired Headphones with Microphone Colour: Black Cable length: 1,8 m Units: 1 Unit Recommended use: Oficina/Centro de llamadas Material: Aluminium Plastic Characteristics: Installation guide included Connections: USB Wired Weight: 100 gr 100 g Connectivity: Radio frequency Type of headphones: External circumaural External supraaural Operating System: Android Power supply: Wired Compatible: Windows Mac OS Frequency: 20 - 20000 Hz 20 kHz Remote control: No Sound intensity: 115 dB Recommended age: Adults Headphones: Binaural Not included: Bluetooth

Connections: USB Wired Built-in microphone: Yes Approx. weight: 0,195 gr 240 g Approx. dimensions: 17,2 x 16,5 x 5 cm Characteristics: Stereo Volume control Noise cancellation Water resistant Installation guide included Plug and play Battery operated (2 AA, included) Colour: Black Compatible: Windows, Mac OS, Linux Type: Wired Headphones with Microphone Headphones with Headband Material: Metal Leather Connectivity: Bluetooth Year: 2014 Type of headphones: External supraaural Operating System: Windows 10 Power supply: Wired Battery operated: AA x 2 Sound intensity: 79 dB Recommended age: Adults Headphones: Binaural Not included: Bluetooth Recommended use: Oficina/Centro de llamadas

The Logitech 981-000519 over-ear headphones are a device designed for professional use in office and call center environments, featuring reliable wired USB 2.0 connectivity that ensures a direct and stable connection compatible with standard USB-A ports. These headphones have a lightweight construction of only 120 grams , allowing for extended use without discomfort, and include a 2.1-meter cable that provides sufficient mobility within the workspace. Their black and silver design combines a sober aesthetic with durable materials, mainly plastic , optimized for daily use. Regarding sound quality, they offer a frequency response suitable for clear communication, ranging from 50 Hz to 10 kHz , effectively capturing voice and reducing background noise thanks to their integrated noise-canceling system , an essential feature for maintaining focus and call quality. Additionally, they include a built-in microphone, making them ideal wired headset solutions for tasks requiring constant interaction. The over-the-head design ensures a secure and comfortable fit, while the compact and lightweight body contributes to ergonomics during long work shifts. The Logitech 981-000519 model stands as a reliable option for users seeking wired headsets with microphones that deliver stable performance, good sound quality, and comfort, especially suited for professional and telephony environments. Type: Wired Headphones with Microphone Frequency response: 50 Hz-10 kHz Microphone: 100 Hz-10 kHz Characteristics: LED in operation indicator Installation guide included Approx. dimensions: 16,5 x 17,4 x 5 cm Colour: Silver Black Connections: USB 2.0 USB USB x 3 Wired Material: Plastic Type of headphones: External supraaural Power supply: Wired Approx. weight: 120 g 120 gr Sound intensity: 90 dB Recommended age: Adults Memory Type: DDR4 Headphones: Binaural Frequency: 100 - 10000 Hz Speed: 6 Gbps Includes: Transportation cover Recommended use: Office/Call center The double-ear, corded headset with enterprise-grade audio that people actually want to use. Double-ear (stereo) corded design Ideal for employees who need to block off surrounding noise for laser-like focus during desktop calls. Combines enterprise-audio quality with the human-centric design Logitech is known for Comfortable, stylish and intuitive so people actually love to use them – further enhancing UC collaboration in your workplace In-call LED red-light indicator Located on the backside of the boom, this red light provides a visual alert to those behind you that you are on a call, preventing accidental disturbances during calls. Quick-access inline controller Control the call with answer/end, volume up/down and mute buttons. The volume-up button is strategically built higher than the others providing a point of reference for your fingers and allowing you to control the call without looking away from your work. Flat no-tangle cable Avoid cord tangles so you can put the headset on quickly and easily without the mess. Acoustic echo cancelation and noise-cancelling microphone Optimized so you can hear and be heard even in noisy workspaces. Digital Signal Processing (DSP) Enables precise tuning for both the mic and speaker so conversations are more life-like. Contemporary, ultra-lightweight design Sleek design and durable materials provide a more attractive look than traditional headsets. Flexible microphone boom Rotate the boom up or down and bend it left or right to move it closer to your mouth, enabling optimal placement for voice pickup. Optimized for Microsoft® Lync™ Compatible with most leading UC platforms Ensures enterprise-quality audio and an integrated experience with most all business-grade UC platforms. Dynamic equalizer Automatically switches between voice and music modes, delivering the best sound quality for what the user is listening to. Wideband audio Hear and be heard in true wideband audio, ensuring those on both sides of the call enjoy a lifelike listening experience. Padded leatherette headband and earpads Built with high quality materials so the headset remains comfortable, even during long hours of use. Cloth zipper bag included Protect your headset at the desk or on-the-go with a premium velvet carry bag. Product type: Headset Wearing style: Head-band Recommended usage: Office/Call center Product colour: Black, Silver Headset type: Binaural Connectivity technology: Wired 3.5 mm connector: N 2x 3.5 mm connectors: N USB connectivity: Y Ear coupling: Supraaural Headphone frequency: 50 - 10000 Hz Headphone sensitivity: 90 dB Total Harmonic Distortion (THD): 4% Microphone type: Boom Microphone frequency: 100 - 10000 Hz Microphone sensitivity: -45 dB Microphone direction type: Bidirectional microphone Microphone mute: Y Windows operating systems supported: Windows 7 Home Basic,Windows 7 Home Basic x64,Windows 7 Home Premium,Windows 7 Home Premium x64,Windows 7 Professional,Windows 7 Professional x64,Windows 7 Starter,Windows 7 Starter x64,Windows 7 Ultimate,Windows 7 Ultimate x64,Windows 8,Windows 8 Enterprise,Windows 8 Enterprise x64,Windows 8 Pro,Windows 8 Pro x64,Windows 8 x64,Windows Vista Business,Windows Vista Business x64,Windows Vista Enterprise,Windows Vista Enterprise x64,Windows Vista Home Basic,Windows Vista Home Basic x64,Windows Vista Home Premium,Windows Vista Home Premium x64,Windows Vista Ultimate,Windows Vista Ultimate x64 Mac operating systems supported: Mac OS X 10.7 Lion,Mac OS X 10.8 Mountain Lion Width: 174 mm Depth: 50 mm Height: 165 mm Weight: 120 g Quick start guide: Y Carrying case: Y 2.5 mm connector: N Transducer type: Back electret condenser

Colour: Black Characteristics: Built-in microphone Noise cancellation 32 Ohm Type: Headphones with Headband Headphones with Microphone Wired Connections: USB-A USB USB-C Wired Material: Leatherette Year: 2020 Type of headphones: External supraaural Technology: Laser Power supply: Wired Frequency: 20 - 20000 Hz 100 - 10000 Hz Volume control: Digital Recommended age: Adults Headphones: Binaural Not included: Bluetooth Recommended use: Calls and music Sound intensity: 94 db

Cable length: 2 m Type: Headphones with Microphone Headphones Headphones with Headband Wired Binaural Colour: Black Characteristics: Noise cancellation Connections: Jack 3.5 mm Frequency: 20-20000 Hz

Functions: Accelerometer Colour: Blue Type: Headphones with Microphone Wired Neodymium Material: Plastic Characteristics: Noise reduction Built-in microphone Wireless Connections: Lightning Wired Connectivity: Bluetooth Wi-Fi Wireless Bluetooth 5.0 Year: 2020 Type of headphones: External circumaural Operating System: iOS Compatible: Mac OS Volume control: Rotary Headphones: Binaural Control type: Dynamic Recommended use: Calls and music Includes: Transportation cover USB Type-C - Lightning Approx. autonomy: 20 hours