【AI Environmental Noise Cancellation】: The advanced AI noise-canceling technology of this Bluetooth headset with microphone eliminates the background noise of mic, leading to high-quality communication & extraordinary audio performance. The advanced 40mm audio drivers provide ultra-clear sound for you. | 【USB Dongle & Stable Connection】: The Bluetooth headphones with microphone works well with most Bluetooth-enabled devices(Mobile phone/Laptop/Tablet) and could be paired with 2 Bluetooth devices simultaneously. Even if your devices don’t have Bluetooth function, the Earbay USB dongle ensures your devices connect with the wireless headset quickly. | 【High Endurance Battery & Fast Charge】: The charging dock or Micro-USB cable of this wireless headset for computer only takes 1.5 hours to fully charge and provide up to 28 hours of clear talking time and 400 hours of standby time. The Bluetooth headset with mic has full wireless freedom with 33 feet operating range via Bluetooth V5.2. Designed for office, home, remote work, meetings, online class, call center, trucker driver. | 【Superb Mic Mute】: The mic mute function and volume control of this headphones with microphone is suitable for computer and smartphone. Able to mute your microphone or adjust volume during Skype calls, zoom meetings and teams simultaneously. | 【Lightweight & Comfortable Use】: The soft leatherette ear cushions and adjustable headband reduce the pressure on your head. The lightweight design of this wireless headset with microphone for pc also allows you to focus on all-day calls, music and online study. Earbay provides 1-year warranty and 24-hour technical support.